Instrument cluster and radio interior is the a wiring harness that connect these
What is your question?
I have a 2004 trailblazer ls 4x4 dash lights dim , battery voltage goes down then back up when I hit the window roll up buttons or turn a/c on battery voltage gauge drops then goes back up
,when I am driving and hit the gas hard or am going over a bump battery voltage gauge goes down ,all gauges then go out w/ radio,a/c and interior light and head lights flicker and gauges act stuck then they reset they self and everything comes back on like I just restarted the trailblazer
I've replaced 125 mega fuse, cleaned ground on driver's side finder well under front fuse block that connect to the wheel well by upper control arm
,ive wiggled some wires, changed battery still can't find the problem .
Any body have any advice on anything that may help like grounds ,where I can find powers ,wat controls these components etc please help
What makes this problem better or worse?
It's worse over bump or when I hit the gas pedal hard
How long has your 2004 Chevrolet Trailblazer had this problem?
RepairPal Certified shops can diagnose and repair your 2004 Chevrolet Trailblazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Hello, sounds like a possible wiring issue at the alternator. Or, an alternator performance issue itself. Too hard to say without performing hands on testing and monitoring voltage and amperage output.
Seek assistance at a local shop near you. Too hard to know what's happening without performing needed testing.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops
