Questions & Answers for: GMC Sierra 1500 mabe

...need to find out where the connection is under the dash for the aux trailer brake controler and mabe what color it is for a 2007 GMC Sierra PU The connector is located under the dash on the left ...

i can't seem to find the wiring harness for the truck i can't seem to find the wiring harness ground in my truck... mabe behind plastic cover on inside kickpanel

...any other ideas what could be wrong. thanks! ok number 1 piston should be a top dead centre & mabe on the top of the cap is a mark or number if not then there should be a mark on the lip of the ...