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Multifunction Switch for a 2003 F150

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Old 01-03-2009, 07:08 PM
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Exclamation Multifunction Switch for a 2003 F150

Today I ordered a MFS from NAPA Auto. For a 2003 F150 7700. I verified that my switch has bit it due to the low beams failing. All that NAPA listed was the switches for the Lightning and the Harley Davidson. Both of those do not match the one I have. However, I had NAPA order one for a 2002 that looked identical to mine. My question is, does the switch for a 2002 fit for a 2003 model?
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Old 01-04-2009, 08:44 AM
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Same switch from 01-04 Heritage. Wonder what's different on the Lightning and Harley?
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Old 01-04-2009, 03:57 PM
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Not sure if the switch comes with the signal,dimmer,wiper control arm or not, but the arm is the difference in the way it looks. The Harley Davidson is chrome finish and straight. The Lightning is matte black with a different shaped angle on it. The 2002 listed switch looked identical to mine. I am almost sure they are all the same switch, Just the esthetics looked different.

Last edited by mcanik; 01-04-2009 at 03:59 PM. Reason: More information
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Old 01-19-2009, 12:12 AM
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The problem was not the switch, it was the plug that goes to the switch. Terminals 9 and 10 that control the low beam circuit got hot due to a poor connection. This in turn damaged the harness slightly. I tightened the female spades in the harness and re installed the switch. This will work for the time being but I am shopping for that part of the harness now. I am thinking I should relay the high and low beam circuit to reduce the load to the switch. Has anyone done this? Any ideas on some good quality relays?
Thanks.

Dan.
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Old 01-19-2009, 04:27 PM
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Take a look at this. Bottom right corner of page 24. Good luck!
LMC Truck Parts - Page 24
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Old 01-20-2009, 10:04 AM
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Same thing happened, sorta, to my son's 2000 XL truck. His turn signals quit working and I assumed it was the multiswitch.
Turned out to be wires pulling out of the big connector that connects the harness to the switch. We also assumed that this happened because he always...always tilts his steering wheel up and down when entering and exiting the truck. Ever since he bought it new!

Anyway, he made sure all the wires were in place and then used silicone RTV to "hold" the wires in place.

He tells me everything works just fine now but I still told him to hold on to that new switch!
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Old 01-15-2013, 08:51 PM
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When I removed the multifunction switch wiring harness from the switch several wires came out and now I'm not sure which wire goes in which slot. Anybody have schematics or photo of which color wire goes where? Thanks! This is for a 2002 F150 Supercrew,,

Last edited by FredLong; 01-15-2013 at 08:58 PM. Reason: Add truck yr model
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