Yesterday I removed the 4 prong plug off the OEM wire harness where it had been spliced on by a previous owner and tested for power with the brakes applied and nothing at the harness which certainly tells me it's up front somewhere. Whoever spliced on the 4 prong plug left a whole lot of excess...
I bought this used 2 years ago with a hitch and 4 pin connector already on it but everything worked fine up till recently. And the '05's have the same tail lights as the earlier models. The two pins that send power to the Left and Right trailer lights supply power for both which is why this is...
Everything on my Yukon works. And only the brake lights on the trailer don't work. All else does. Tested two different trailers, same results. I was told this could possibly have something to do with it? I replaced the OEM on last September with one from Amazon but all trailer lights worked...
Just recently I lost the brake lights on any trailer I hook up to my Yukon yet the turn signals work, running lights and hazards. It has a 4 pin connector. Yet the trailer brake lights use to work. Any ideas?
Both sides start off cold but suddenly the drivers side will blow hot but the passenger side is still cold. If I shut off the vehicle and restart it all is normal again sometimes for the remainder of my drive,sometimes back to hot on the drivers side only. Is this a blend door issue or the AC...
The power outlet (cigarette style) in the very rear of my Yukon doesn't have power. I'm guessing a blown fuse. Does anyone know where that fuse is located before I go on a search mission? TIA
Has anyone installed a Trailblazer torque converter behind a stock 5.3 and if so were you happy with the results? I'm considering it because my current 4L60e is in need of a rebuild.
I only recently bought my 2005 Yukon and the prior owner put a new master cylinder on it. There is a plug receptacle on the side of the reservoir but nothing plugged into it. I assume to warn if fluid is low. I do have a "service brake system" light that comes on and was wondering if that has...
Anyone ever have an issue with the tail light circuit board that's attached to the inner quarter panel below the rear air? Wondering if that could be the issue?
I spliced in a brand new connector for the neutral safety switch and installed a new switch. I get the 12 volts from the pin out on the connector and I even have power at the light green wire at the trailer hitch but nothing at the actual light bulbs. I just installed a new stereo head unit...
My reverse lights will not come on when I put my 05 Yukon in reverse but they come on anytime I unlock the doors with my keyfob and stay on/turn off with the interior lights. I assume part is by design but I'm baffled about them not coming on when shifted into reverse? I put a new neutral...
I discovered the problem. There are two identical plugs behind the stereo. Both are female but one is white and one blue/green. The white one was plugged into the OEM radio and then into my new head unit thru the Metra adapter. Well I discovered another plug hidden behind a duct that was white...
I just picked up a 2005 Yukon with a 5.3 and only 177,700 miles. It has the Bose system and the stereo was completely stock. The volume all the way up is barely loud. My cell phone speaker plays louder. I thought maybe the amp was bad so I bought a used but tested one from an Ebay seller with...
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