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Chevy Tahoe/GMC Yukon Hybrid Electrical and Lighting Questions

13 messages,  Last post on Oct 18, 2009 at 6:41 PM

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What is this discussion about? Chevrolet Tahoe Hybrid, GMC Yukon Hybrid, Electrical, SUV

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#4 of 13 Trailer Brake Lights by fitch8308 Sep 27, 2007 (10:48 am)
I unplugged my trailer brake controller (Tekonsha Prodigy) and the brake lights worked. I plugged it back in and they still work. I don't know why.
#5 of 13 Let's make this one more generic by pf_flyer HOST Sep 27, 2007 (12:15 pm)
I'm going to rename this discussion to handle electrical and lighting issues with the Tahoe/Yukon hybrid. That way we we'll have all the electircal stuff in one palce and not a bunch of single question single answer topics.
#6 of 13 electrical problems or what by rickyh Nov 04, 2007 (7:38 am)
i own 1 1995 tahoe 2dr-4/4 350 auto.my problems is sometimes i go to start it up and the tach does not work and the transmission indactor lights is dim and is flashing and check gauges lite is dim and flashing.it starts up,i then put it in gear and it starts off in high gear.i have replaced the ecm.this happens intermittenly.please help Replies to this message: chadx (Nov 19, 2007 11:15 am)
#7 of 13 Re: electrical problems or what [rickyh] by chadx Nov 19, 2007 (11:15 am)
Replying to: rickyh (Nov 04, 2007 7:38 am) Let's keep in mind this is the Tahoe Hybrid forum. There are other forums for discussions on non-hybrid vehicles and you'll probably get many more views and a better chance of a response.
#8 of 13 2005 Tahoe fan switch by tommyd6 Sep 02, 2008 (6:33 am)
My #5 speed on the fan switch stopped working. I replaced the blower resistor with negative results. I heard that it might be a in-line fuse under the dash but not for sure. Any help   Tommy D
#9 of 13 2003 chevy tahoe 4wd by rrwoodstock Dec 26, 2008 (4:50 am)
my service 4 wd message is showing on the screen. how do i service the 4wd or how much should it cost to get done? Also, my battery meter is moving past the highest point, i have changed my alternator and battery and checked both and they are working properly so what is causing this meter malfunction?
#10 of 13 Re: Trailer Brake Light Problem [fitch8308] by spur3 May 01, 2009 (10:49 am)
Replying to: fitch8308 (Aug 07, 2007 10:07 am) I have the same problem with a 2003 Tahoe, left turn and tested on three different trailers, neighbors truck operates all three fine. Was wondering if you were able to solve this problem and would share. Replies to this message: ctdeng0 (May 23, 2009 12:51 pm)
#11 of 13 Re: Trailer Brake Light Problem [spur3] by ctdeng0 May 23, 2009 (12:51 pm)
Replying to: spur3 (May 01, 2009 10:49 am) I have a 2008 Hybrid tahoe and it has separate fuses (under the hood) for each signal and the brake.
#12 of 13 Hybrid trailer brake controller by ctdeng0 May 23, 2009 (12:57 pm)
I have a 2008 Hybrid Tahoe. I have installed a trailer brake controller and it does not work. There is no voltage at the 12 volt wire to the brake controller with the engine on. The brake signal to the controller is good when I press the brake pedal. The brake controller fuse (15 amp) in the under hood fuse box is good and has 12 volts on both sides of the fuse. I have checked the other trailer fuses (signal and brake) and they are also good. What am I missing ?
#13 of 13 Electrical Issue - Rear Defrost and Heated Mirrors, plus by hilary4 Oct 18, 2009 (6:41 pm)
I think I may have an electrical issue because fuses are not blown. My 2005 Tahoe's rear defrost stopped working which also controls the heated mirrors; the driver's side bottom part of the seat no longer heats; the dummy lights on the left hand side of the sterring wheel for the Information and Source no longer light.   I checked the fuses for these items and they are not blown. Does anyone have any suggestions on what I can look for?   Thanks!

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