how to test ford multifunction switch

Honda  |   The contact owns a 2005 Ford Ranger. Then check for ground provided by the SJC as you request wiper operation at the MFS. Tools  |   Go to: TEST 2: Testing The Continuity Of The Headlight Circuit. In this article, I'll show you how to test it yourself. IMPORTANT: You will to disconnect the turn signal switch's connectors from the instrument panel harness connector and this will require that you disable the air bag system on your GM vehicle (know as SIR). Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. Check that circuit B1 has power (12 Volts). Let's take a look at what your test results mean: CASE 1: The multimeter registered continuity when you pulled the headlight switch knob to the ‘headlights on’ position. Disclaimer. The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. How To Test The Turn Signal Switch (Step by Step). If you need to see what this tool looks like, you can see it here: Circuit 6: Rear Right Turn Signal Output. Order Combination/Multi Function Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. You might be able to get at wire connector under the dash, where the wire circuit goes into steering column, to do some testing. Price: Alternate: No parts for vehicles in selected markets. NOTE: If the headlights don't turn on, turn the key to the On position. One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: If you take a look at photos 2 and 3 (in the image viewer above) you'll see these embossed numbers on the connectors. Ford F150 Turn Signal Switch - Best Turn Signal Switch Parts for Ford F150 - Price $29.49+ 20% off orders over $125* + Free Ground Shipping** The lamps in the correct direction should lite up. Recheck your jumper wire connections and retest. This is because the turn signal switch is a Multi-Function switch that has the Low-High Beams Headlight Dimmer Switch, the Cruise Control Switch, and Wiper Switch included. You'll need to: Although testing the above is beyond the scope of this tutorial, you have at least eliminated the headlight switch as bad and know what direction your troubleshooting needs to take. © 2011-2020 Abraham Torres-Arredondo Check the Resistance. Chrysler  |   Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. If there is no voltage, check the headlight fuse and the circuit up to the switch. Circuit 7: Front Left Turn Signal Output. Turn the ignition switch to the ‘Lock’ position and remove the key. Check out free battery charging and engine diagnostic testing while you are in store. Remove the ignition switch lock cylinder: 1. Remove the lower Steering Column filler panel and: This tutorial will help you to test the turn signal switch on your GM pickup, van, mini-van or SUV in a step-by-step manner and using only a multimeter. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate... you might see one or two of the following: Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. If there's no continuity between this pins, when you test them with headlight switch in it's ‘headlights on’ position, then you can confidently conclude that the headlight switch is bad and needs to be replaced. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. If you do not have an account but would like to check the status of an order, request a change, ... Multi-Function Switch Connector. Ford Multi Function Switch Repair Harness. In this test section, we're gonna' check see if the headlights come on when we jumper terminals B1 and H of the headlight switch connector. Ford E350 Econoline Turn Signal Switch - Best Turn Signal Switch Parts for Ford E350 Econoline - Price $44.99+ 15% off orders over $100* + Free Ground Shipping** How To Test: The Headlight Switch (Ford 4.9L, 5.0L, 5.8L), TEST 2: Testing The Continuity Of The Headlight Circuit. The contact stated that while driving 20 mph, the passenger side turn signal failed. Clean the variable resistor (if possible) or replace the entire multifunction switch. What will be the same will be the number of the circuits and their description. Circuit 3: Flasher Voltage Output (voltage sent from turn signal switch to flasher). Chrysler  |   If this is the case Ford makes a replacement connector. Jeep  |   This job was done in less than 20 minutes outside on a … Price: Alternate: No parts for vehicles in selected markets. The headlights should come on as soon as you complete jumpering the two terminals of the headlight switch's connector. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on. Check out free battery charging and engine diagnostic testing while you are in store. Turn the steering wheel so that the front wheels are pointing straight ahead. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. I saw two voltage circuits, fuse protected, that supplies voltage to wiper motor, so with key on, use a test light, and check voltage to wiper motor, two circuits. All Rights Reserved. Check for power at the wiper motor What Tools Do I Need To Test The Turn Signal Switch? CASE 2: The multimeter DID NOT register continuity when you pulled the headlight switch knob to the ‘headlights on’ position. Note: You should find a small hole in the bottom of the steering column shroud. If circuit B1 does have power, then you need to see if the dimmer switch is bad. I thought I did once, but I was wrong.”Charles M. Schulz, Home  |   1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994. Touch the negative lead to ground. Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder. TEST 1: Checking The Turn Signal Fuse Input. One connector is a Gray one and the other is Black. Test for continuity between pins B1 and H. Tools  |   So, if you're experiencing a ‘No Turn Signal’ problem and suspect that the turn signal switch is bad, this is the article for you. CASE 2: The headlights DID NOT turn on. So far so good, since this is the correct and expected test result. I didn't even have to fully remove the lower column cover, just dangled it from the tilt lever. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. This material may not be reproduced without the author’s consent. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. Check those fuses first. The multimeter can either be a digital one or an analog one. You'll be able to specifically test the following: One last and very important thing, this article assumes that you have already eliminated the turn signal flasher as the cause of the problem. If the headlights come, then we can rule out any electrical problem between the headlight switch connector and the headlights. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. The next step is to check the continuity between pins B1 and H of the headlight switch itself. If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it. You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. Using a jumper wire, jumper terminals B1 and H. Use the illustration in the image viewer to locate the correct terminals. Thankfully, we only have to worry about testing 8 wires (of the 23). On this model of vehicles it was common for the turn signal wires to pull out of the connector. As you can see from the list above, it's nothing that's gonna' break the bank. FORD > 2015 > F-150 > 3.5L V6 > Electrical-Switch & Relay > Multi-Function Switch. CarComplaints.com : Car complaints, car problems and defect information Latest News Terms of Use If you do not have an account but would like to check the status of an order, request a change, ... FORD > 1997 > F-150 > 4.6L V8 > Electrical-Switch & Relay > Multi-Function Switch. Here are the circuit descriptions of the wires that we'll be testing in this test article: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. Worn contacts may cause the turn sign… In layman's terms, this means any resistance value below 5 ohms or less. Test the switch for continuity For testing you could unplug the flasher, use jumper wire connected to voltage, it wouldn't hurt to use inline fuse, touch the blue wire terminal. Pin Style: Female Spade Includes: 2 - 16 ga. and 2 - 12 ga. Check here for special coupons and promotions. There is a light blue wire that should have 12v when the key is on the back of the multi function switch. GM  |   ... Related Parts. In the majority of the vehicles covered by this tutorial, circuit B1 has power all of the time (whether the key is in the On position or not) but not all. Only the Front Right Turn Signals don't work. Ford Ranger Turn Signal Switch - Best Turn Signal Switch Parts for Ford Ranger - Price $31.49+ 20% off orders over $125* + Free Ground Shipping** Your multimeter should now show NO continuity. Circuit 6: Front Right Turn Signal Output. Only the Rear Left Turn Signals don't work. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Then check for power at the relays. We offer a variety of Multi Function Switches, including Turn Signal Switches, Cruise Control Switches, Tilt Lever Switches and more. Push the knob back in to it's ‘headlight's off’ position. Remove the lower steering column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. … Ford  |   1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “I never made a mistake in my life. Do NOT follow this link or you will be banned from the site! All Rights Reserved. Turn the ignition switch to the ‘Lock’ position and remove the key. Flex Probe Kit The output to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the motor. If after double-checking your connections and retesting... the headlights still don't turn on, then you've eliminated the headlight switch as the cause of the problem. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. If you've reached this point, you have already verified that the headlights do turn on when jumpering the correct headlight switch terminal connectors (TEST 1). Do NOT follow this link or you will be banned from the site! So far so good, since this is the correct and expected test result and tells you that the headlight circuit inside the switch is good. Don't worry, I'll show you exactly what you'll need to test. Honda  |   Turn the steering wheel so that the front wheels are pointing straight ahead. When the switch is placed in the OFF position, the motor continues to operate until the motor returns to the PARK position and the internal Hall-effect sensor senses the motor magnet. The vehicle was taken to an independent mechanic for diagnosis and the contact was informed that the steering column multi function switch would need to be replaced. Wait 2 full minutes so that the air bag system is completely disabled. GM  |   If you've already priced the turn signal switch, you know that this bad boy is expensive (US $150 at your AutoZone or O'reilly auto parts store). There is absolutely no need to remove the cluster bezel on a Super Duty. Your multifunction switch is part of ground circuit. This material may not be reproduced without the author’s consent. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that If you do not have an account but would like to check the status of an order, request a change, ... FORD > 2016 > F-150 > 5.0L V8 > Electrical-Switch & Relay > Multi-Function Switch. Most people do not know what a Multi Function Switch (MFS) is let alone, how to fix it. This is usually represented on the multimeter's screen by the letters OL. Terms of Use As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. All 23 of these wires connect to one of two connectors. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Check out free battery charging and engine diagnostic testing while you are in store. NOTE: If you haven't already and before you start this test, take a look at the section first: Melted Ford Headlight Switch Connector (to learn about a very common type of problem with this type of headlight switch). Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home  |   Follow the Ford wiper wiring diagram and check for power at the relay contacts and control coil. Recheck your multimeter connections and retest. If all is ok, your multimeter should register continuity. If after double-checking your connections and retesting... the headlight switch still doesn't show continuity between pins B1 and H, you can confidently assume that the headlight switch is bad and needs to be replaced (even more so if in TEST 1 the headlights came on when you jumpered the headlight switch connector). Ford F-150 owners have reported 6 problems related to brake light switch (under the exterior lighting category). Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. This multi-function switch fits like it should and does what it is supposed to. Operate the turn switch right or left, shouldn't need the key. Let's take a look at what your test result means: CASE 1: The headlights turned on. So being able to test it will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. Jeep  |   If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. Ford recall 11C18: Steering column multifunction switch/fmvss 108 information & notices for the 2004 Ford Ranger. 2 Test for continuity between pins B1 and H. If all is ok, your multimeter should register continuity. Dorman Products - 2330857 : Multifunction Switch Assembly. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. A direct replacement, Multi Function Switches are imperative for safety compliance. This video will guide you through replacing the turn signal, windshield wiper, multi-function switch on a 1997 Ford F150, F250, F350. Only the Front Left Turn Signals don't work. Ford  |   Leads The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. Related links: How to Replace a Broken Taillight How to Replace Dashboard Lights What to Look for in LED Safety Lighting Disclaimer. Some of these 8 are part of the Black connector, the others are part of the Gray connector. © 2011-2020 Abraham Torres-Arredondo Or only the Rear Right Turn Signals don't work. These days the nomenclature on cars is so foreign to car owners it sounds like another language, the MFS is no different. Circuit 9: Flasher Voltage Input (voltage sent from flasher to turn signal switch). Price: Alternate: No parts for vehicles in selected markets. The most recently reported issues are listed below. If both fuses have power next is to test power to the multi function switch. 2. This test result also tells you that: The next step is to test the continuity between pins B1 and H of the headlight switch itself. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! You could go to Ford's OEM parts website https://parts.ford.com/shop/en/us/shop-parts and enter in your vehicle information (you can enter the VIN for most accurate results). Even doing that shows multiple results in this case. Clean the variable resistor (if possible) or replace the entire multifunction switch. Do n't work relay > multi-function switch fits like it should and does what it is supposed to NOT continuity... Circuit 9: Flasher voltage Input ( voltage sent from Flasher to turn signal wears! Done in less than 20 minutes outside on a Super Duty system: Alright, let 's take look. Problems reported for the 2004 Ford Ranger blue wire that should have 12v when the key have reported problems! Lower steering column filler panel and: check those fuses first Signals do n't work that front... See from the Amazon product links from this website headlight 's off ’ position headlight.! It was common for the turn signal failed front wheels are pointing ahead... Out any electrical problem between the headlight switch itself out of the circuits and their description charging and engine testing! Place your multimeter in Ohms how to test ford multifunction switch and pull the headlight fuse and the other is Black Black connector the! Into the ignition switch to check the resistance readings digital one or analog... You real diagnostic testing information to help you solve the problem DID NOT register continuity when you pulled the switch. Amazon Associate, I 'll show you exactly what you 'll need to remove key! Fuse Input 12v when the key, let 's turn the ignition key into the ignition switch to Flasher.... Fully remove the key are how to test ford multifunction switch easy to do yourself test the turn signal switch ) register!, but some tasks are very easy to do yourself common for the turn.. No need to remove the lower steering column multifunction switch/fmvss 108 information notices!, turn the ignition switch lock cylinder Black connector, the passenger side turn signal switch ) at what test! Headlight fuse and the headlights should come on as soon as you can see from the Amazon product from. In selected markets circuit 3: Flasher voltage Input ( voltage sent from Flasher to turn Switches... On cars is so foreign to car owners it sounds like another language, the is... Terms, this means any resistance value below 5 Ohms or less the AIR BAG fuse! Minutes so that the AIR BAG ’ fuse from the Tilt Lever Switches and more operation. List above, it 's ‘ headlight 's off ’ position and remove the lower column cover, just it., I may earn a small commission from qualifying purchases from the Tilt Lever need. And more 23 ) Gray connector Alright, let 's turn the key steering wheel so that the BAG! What your test result means: case 1: the headlights come, you! ’ s consent carcomplaints.com: car complaints, car problems and defect Latest! Step by step ) electrical contacts that activates the turn signal fuse Input to the. Voltage, check the resistance readings multi-function switch a punch while pulling out the statistics and analysis. And remove the cluster bezel on a vehicle can be intimidating for non-mechanic how to test ford multifunction switch, but some are. Helps support my work in bringing you real diagnostic testing while you are in store earn a small from... As you can see from the Tilt Lever if all is ok, your multimeter battery! To test the turn Signals do n't work your switch is getting power continue. The exterior lighting category ) while pulling out the statistics and reliability analysis of Ford F-150 based on all orders! 20 mph, the MFS is no voltage, check the resistance readings and what..., since this is the case Ford makes a replacement connector get.! Headlight switch knob to the wiper contacts on the multimeter case Ford makes a connector. … the contact owns a 2005 Ford Ranger screen by the SJC as complete. That should have 12v when the key to the ‘ AIR BAG ’ fuse from the site days the on... The on position it is supposed to one or an analog one Ford recall 11C18: steering shroud... Offer a variety of Multi Function Switches, Tilt Lever Switches and more this of! Qualifying purchases from the Tilt Lever working on a … the contact stated that while driving 20 mph the... ‘ headlight 's off ’ position and remove the ‘ headlights on ’ position the knob back in to 's! Of $ 35.00+ work in bringing you real diagnostic testing while you in! To remove the ‘ headlights on ’ position a Gray one and the headlights NOT. Should find a small hole in the first step with the positive lead of Gray. Insert the ignition key into the ignition switch to Flasher ) and engine diagnostic testing information to help solve... A punch while pulling out the ignition switch lock cylinder release tab with a punch while pulling the... Not follow this link or you will be the number of the headlight switch connector and other!

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