GMC Sierra

http://GM.autoboardz.com/Instrument-Panel-light-GMC-ftopict233649.html (Instrument Panel will not light up for a GMC.)
Have a 99' GMC Sierra, we replaced the factory stereo with a new one. All the lights work and the power windows, and locks. We checked all the fuses and they are fine. We didn't have a problem unt..
« What specifically is not lighting up? The various indicators or the lamps that illuminate the panel when the headlamps/parking lamps are.. »

http://GM.autoboardz.com/1995-GMC-sierra-Tailights-ftopict182344.html (1995 GMC sierra Tailights)
Can anybody help? My tailights are not working. I have checked the fuse, checked the bulbs and all are working fine. My brake lights, etc work fine. My dash lights work as well as my front daytime r..
« "rustyban": Bad ground? Bad connection inside the socket? Broken wire? Noboday can really tell you why your tail lights don't work, with.. »
« Thanks, Mike. You were right. The ground behind the bumper was frayed. Fixed the ground and taillights work. »

http://GM.autoboardz.com/1984-GMC-Sierra-Alternator-ftopict234179.html (1984 GMC Sierra 6.2 Needs Alternator - But Which One?)
I've been putting up with my '84 Sierra's lackluster alternator performance for a long time now. Unless driven very regularly, it would have dead batteries. Now it doesn't even really charge them wh..
« Marsh Monster: Something looked familiar abotu this post. Then I looked at the poster .. . . Nuf said. »
« Marsh Monster: From anyone else I would guess a typo. From you, showing off your ignorance. SULFATE from electrolyte is accumulating on.. »
« William R. Walsh: Take the batteries in and have them checked first. I suspect that one of the batteries is not in the best condition. .. »

http://GM.autoboardz.com/Spark-plug-gap-1986-GMC-Sierra-1500-ftopict251386.html (Spark plug gap on 1986 GMC Sierra 1500?)
I can't find my Chiltons manuel, anyone know the spark plug gap for a 86 GMC Sierra Classic 1500.