GMC Sierra Questions Maintenance & Repair

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When Connecting My 7 Way Trailer Cable To My 2015 Gmc Truck, The Left Turn ...

all lights on the truck work. when I hook up the cable to my old truck, all the trailer lights function. when checking with a continuity light, there is power to the terminal to the left side, but ...


97 Gmc Sierra Won't Start

I drive this truck in frequently. Last time was April of this year. It started but with difficulty. I tried to start it again in July and it didn't start. It has been extremely rainy and humid more so...

6 views with 1 answer (last answer 3 weeks ago)

Where Is The Speedometer Wires To The Tranny Located Or Where Do Any Speedo...

NO Speedometer and wont shift outta low gear!!

15 views with 3 answers (last answer about a month ago)

Where's The Ecu And How Hard Is It To Change?

I have an 1989 2500 with a 5.7 2wd. I'm not a mech. Got any tips or advice? A how to video would be great

6 views with 1 answer (last answer about a month ago)

How Can I Fix Dash Light That Are Not Working On 1990 Gm Pickup

the lights on my 1990 GMC pickup not working


1988 Gmc Sierra 5.7l 4wd Which Alternator Do I Need? 85 Amp? 100 Amp? ...

I have easily determined which alternator for an '03 silverado by the service parts identification codes in the glove box. Not finding that for the GMC. Any suggestions?

15 views with 2 answers (last answer 2 months ago)
Paul Anderson

Heated Seat Memory Switch

My heated seats have been turning themselves on by themselves lately. Uncomfortable in summer months. Any thoughts on why this is happening or anyone with similar issue on a 2006 2500HD SLT Duramax?...


I Have A 1982 High Sierra 4x4 Wont Stay Running

I have a electric fuel pump on my truck. it will run for a little bit then die. if you let it sit for a few min it might start back up. sometimes I have to pull fuel line from carb and run it then fue...

Clemmie Spencer

Does Tank Need Replaced

my pickup shuts down when gas under quarter tank has to sit for five minutes more or less acts if no gas present prior to the wait ,can pump excelarator some times a short start but cuts back off ....

8 views with 2 answers (last answer 3 months ago)
Alexander Tavarez

I Been Work On A 1997 Gmc Sierra Extended Cab The Back Park Brake Light Is ...

I already rewired some stuff but just lost and need advice

Casen Haze

Hello My Name Is Casen I Have This Truck Here Its A Gmc 1997 And Dont Have ...

18 views with 4 answers (last answer 3 months ago)

Want Turn Over

I have a 1988 gmc 1/2 ton 2 wd wouldn't turn over so I took the starter off had it tested and it was toast so installed new one still want turn over also noticed that with the starter off the truck ...

23 views with 3 answers (last answer 4 months ago)

Why Won't My Turn Signal And Brake Lights On The Rear Of The Truck Work

rear turn signals and brake lights don't work. no power in yellow wire all the way to the firewall. everything under dash works right, looks right, indicator lights work and front lights work fine.

131 views with 5 answers (last answer 4 months ago)

Trying To Remove The Manual Transmission On A 1999 Gmc Sierra Witk A 4.3l V...

27 views with 1 answer (last answer about a month ago)
Tracy Cioffi

1983 Gmc Silverado

Starting problems

10 views with 1 answer (last answer 4 months ago)
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