jayizle Posted January 25, 2010 Posted January 25, 2010 i have a 1988 comanche and have a electrical problem in the rear of the truck. i have no back up lights or brake lights. i replaced the turn signal flasher and all the bulbs
jpnjim Posted January 25, 2010 Posted January 25, 2010 First thing I do with taillight issues is look for a hacked in trailer plug. There's an electrical connector on the left side, behind the bumper that feeds the taillights, you could check that too to see if it's corroded, or unplugged.
Automan2164 Posted January 25, 2010 Posted January 25, 2010 FIRST THING TO DO is check the condition of the ground. The driver's side tail should have a ground screwed into the box right behind the tail light... Check that wire, and get back to us. Rob L.
jayizle Posted January 25, 2010 Author Posted January 25, 2010 well i know about the ground i'm going to grind don't the metal a little more sense i just painted it and the plug is fine. i unplugged it and plugged it in fine. i just don't know what the heck is going on
Automan2164 Posted January 25, 2010 Posted January 25, 2010 Check fuses? Do you have dash lights? Rob L.
jayizle Posted January 25, 2010 Author Posted January 25, 2010 ok so i have turn signals and i have dash lights. i have all my lights but my back up lights and my brakes lights. when i turn the light switch on i have lights in the rear. i haven't check my fuses yet
Automan2164 Posted January 25, 2010 Posted January 25, 2010 Also make sure you used dual filament bulbs when you replaced the brake lights... Putting a single filament bulb in sometimes shorts the parking light and brakes together, making for some weird stuff. Rob L.
jayizle Posted January 25, 2010 Author Posted January 25, 2010 well i did that cause my father had an xj and had that happen but they and dual filament bulbs
AmJay Posted January 25, 2010 Posted January 25, 2010 Since the turn signals and brake lights use the same bulb filament the problem would be between the brake switch and the turn signal switch wouldn't it? Is this a column shift? If so that would also point to the steering column wouldn't it? Mac...
jayizle Posted January 25, 2010 Author Posted January 25, 2010 it is a column shift but its dark here so i can't do that tonight
jayizle Posted January 27, 2010 Author Posted January 27, 2010 well i checked the fuses today and there are all still good
mythreesons Posted January 27, 2010 Posted January 27, 2010 While your checking the easy stuff, check the brake pedal switch. If that is actuating good, follow the voltage and see where it goes. :dunno: On the 88 we have around my house, the connector was in bad shape. I fixed that. Then started having weird tranny torque converter problems. I went to looking at the brake switch and it seemed to be acting kinda funky so I replaced it. $10 part, 10 minutes (most spent finding something to kneel on in the mud while reaching inside the cab), no problems since but I'm waiting to pronounce "fixed". Scott
jayizle Posted January 27, 2010 Author Posted January 27, 2010 alright i'll do that. hopefully that fixes the problem with no brake lights
jayizle Posted March 16, 2010 Author Posted March 16, 2010 i'm still having problems trying to find out what is the problem
comanche09 Posted March 16, 2010 Posted March 16, 2010 Check your brake light switch and wiring. Taillights are working? License plate lights? Check your reverse light wiring at the trans.
-600JeepMJ Posted March 16, 2010 Posted March 16, 2010 :dunno: looks like every one has suggested all the normal fixes. I guess the next step is to down load the wiring book and start chasing wires. viewtopic.php?f=9&t=12734
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