Darrell (71.248.152.141) - Mon Jun 9 18:39:57 2008

Wiring diagram for 2006 envoy. Towing my 06 envoy behind my motorhome. Was previously towing a tow dolly no problems with light. Trying to get the lights on the envoy to work. Had the envoy wired @ GMC Shop.

Reply #1 matthew ireland (72.95.101.221) - Fri Nov 28 13:35:13 2008

I have A 2005 GMC Envoy....Hving major problems....In heavy snow or rain the engine light comes and the transmission light with arrow pointing down comes on....Its been to 3 different dealer ships in the las t 8 months..when the those lights come on there is no power, you can push the gas peddle to the floor and there is no power.

They have replaced the Throttle Control Sensor, Computer component, A wire harness they said was broke, then they said it was our battery.. All this has been replaced...the last of which was the wire harness...We got it home and it rained that night and my wife did not get down the road when the 2 lights came on.

When we get it to the dealer they have it for a few days and tell us that they cannot find nothing wrong with it.

Trying to see if any one else has had similar problems

Reply #2 chase ray (65.205.66.58) - Wed Dec 17 12:34:31 2008

hello i need a diagram showing the colors of the wires to put a bypass on my 2005 envoy xl

Reply #3 mike (97.118.157.21) - Mon Aug 10 00:08:35 2009

Anyone know or have the wiring schematics for the radio of 2009 Envoy? thx

Reply #4 Ziggy (75.43.132.206) - Wed Sep 23 13:05:44 2009

Do not have power on the aux pin in the trailer plug,

checked the fuse under back seat, is OK

Reply #5 David Cote (74.75.245.84) - Fri Oct 2 18:42:22 2009

I want to know if the plug in under the dash on the driver side is for a brake controller

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