DRL mirror switchbacks killed my truck

For a proper reinstall...


IGN "ON"

 

Ok so I've checked everything. All fuses and relays are good. I have no taillights or parking lights, or license plate lights either. And the fuse plug under the dash isn't getting power as far as I can tell. I'm leaning towards a dealership trip.

 

Do you have a fuse holder?

 

Revised to prevent
With an Add-a-Fuse (x2), place 7.5 amp fuses, strip then crimp, Place add-a-fuse in slot where the Power Outlet No.2 fuse goes (ACC) and the other in the TAIL slot. The Add-a-fuse on the TAIL goes without a fuse on bottom slot. (place as drawing shows)
Turn Taco ON. Walk around and verify TAIL lights.

Or take to Dealer....


P = Battery Power
C = Circuit

 

I do not

 

Ok... Ill have to pick up an add-a-fuse... What's that gonna tell me?

 

That the rest of the TAIL circuit is fine or has a break to ground (besides the relay not providing power to the TAIL fuse)

 

But since the relay isn't powering the fuse, isn't that right there a pretty solid indication of the problem?

 

One problem...relay trace to TAIL fuse is FUBAR'd. With power to circuit (bypassing the fuse input from the relay) you verify all TAIL lamps are functional...
I edited the add-a-fuse install so you don't touch n burn something while trying to place the "probe"...(no probe now)

 

Roger. I'm tracking. I'll head out n grab a couple add a fuse n get back to ya man. Thanks!

 

I give you props . You're going way beyond to help.
Finding an electrical short can be a nightmare.
Good luck op.

 

We are missing something. And I can't quite put my finger on it.

1) According to the drawings, the TAIL RELAY and the 7.5A FUSE provide power to ((( ALL ))) of the parking lights. Front and back.
2) This indicates that the relay and fuse are GOOD?
3) If our drawing information is correct, this only leaves us with 2 options (that I can see)
A) All of the tail light bulbs are damaged (on the parking filament)
B) The circuit (wire) is broken.

@JordanJake Hey man, if you feel like doing something else, - Pull the 7.5 amp fuse and see if the FRONT parking lights stop working?

 

I have been watching this for a few days. You guys are amazing for taking so much time to help this guy out. OP, you owe these guys a beer or 6!

 

Thing is once this gets fixed, should this ever happen to someone else's Taco the remedy is here on TW. What you do for the OP you do for the masses!

 

@PhenixFord hey man, I haven't had the chance to do that add-a-fuse check that caribe suggested, I had one but the one I bought was the wrong size n it was getting late n had a flight to catch early this morning. That being said, I'm away from my truck for two weeks, so I'll dive into it again around the 20th. But that being said, I have zero lights that work. None of the front or back parking lights, no tail lights obviously, but also no license plate lights. However, brake lights, turn signals, and hazards all work.

 

to be continue...

 

Alright guys, happy holidays to yall! Just a little update, tried the add-a-fuse, that didn't do anything, and all bulbs are good. Got an appointment Monday at the shop, so I'll let ya know what we discover.