A Simple Fix For General Motors SUV's With Irregular Electrical Issues - ChicagoNow (blog)

A common problem on the mid sized General Motors SUV's of the last decade (2002-2009 Chevrolet Trailblazer, GMC Envoy, Buick Ranier, Oldsmobile Bravada & Saab 97x), is irregular electrical malfunctions. I own a 2005 GMC Envoy, so I've noticed this problem too, the headlights have flickered and okay no big deal but then Monday night as I drove home the head lights went out. No high beams, no low beams, the fog lights worked and interior lights worked. Thinking of my late dad (a master diesel mechanic), I thought of what he'd try, and he would check the electrical lines and battery but I just had that checked when a bought the vehicle in September. com), to change the headlight relay (#46), see on these SUV's there is a large, exterior fuse & relay box right next to the battery (on the left hand side), and that particular relay is in that box. I check with my favorite chain auto parts store and they don't have just the relay but a switch, harness, cable and relay (in a kit), which is way more than I need. I then check with the GMC dealership by my job and they have the relay and $ 50. 00 later I pick it up after work. I then get home later and pull the cover (actually there are two covers), for the relay box and on the inside of the outer lid is your guide to what goes where (my picture here shows the box and. Source: www.chicagonow.com