Rear lift gate fuse blows. - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 10-29-2008, 03:12 PM
JaredF JaredF is offline
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Rear lift gate fuse blows.

So for my first problem post. I am about to go out and replace the blower motor resistor but here is another problem I am having. Its an 02 4x4 TB. Everytime I close the liftgate in the rear the 30 amp liftgate fuse blows. I have the panels off, i disconnected everything in the gate. the 3 plugs to the module all the sensors and and locks and all. Even then when I close the gate the fuse blows. It seems only the wiper is what stops working when the fuse blows. The locks and sensors all still work. Every once in awhile it wont blow. And when that happens the wiper works. And I can run the wiper with the gate open. Fluid always works. I am stumped, maybe the switch.
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Old 10-29-2008, 03:45 PM
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rbarrios rbarrios is offline
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From the vehicle body- to the tailgate- there are some wires that are protected by a rubber tube thingy.....
Im wondering if theres wires inside here that have chafed over time- and when you close the tailgate- the wires rub and cause a short- blowing the fuse.
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Old 10-29-2008, 04:12 PM
JaredF JaredF is offline
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Update, when I unplug the lift gates main harness all together right there where it comes out of the body and goes into the gate, the fuse no longer blows. Where are these wires in a tube your talking about and Ill check them. I just don't want to replace that lift gate module if that's not it, but I'm wondering. Its the black module in the gate with the 2 black and 1 white harness I'm assuming right.
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Old 10-29-2008, 04:17 PM
JaredF JaredF is offline
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But wait though. If I unplug the 3 harness from the module mounted on the gate it still blows fuses, so unplugging it at the main harness shouldn't be any different from that. Ahhh so frustrating.
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Old 10-29-2008, 04:31 PM
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MAY03LT MAY03LT is offline
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Even unplugged, there is still a fused 12v signal to the control module that can short to ground and blow the fuse
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Old 10-29-2008, 05:24 PM
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up above-- where the 3rd brake light is....
just has that rubber thing to protect it.. but it sounds like you already got to it.
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