GMC Sierra 3500 Questions Any type

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1997 Gmc 3500 Dually Won’t Start One Click

I have a 1997 GMC 3500 dually and I’ve already put 3 starters in it to try to fix the problem and nothing, the truck will run then when I shut it off and try to turn it back on it clicks one time a...

Starts Great When Cold But Long Crank After It Sits For 15 Minutes

Starts great when cold or if you shut it off and start it up again within a few minutes but if it sets 15-20 min then it is hard to start. If I hold the throttle peddle down it will start quicker.If...

1997 GMC C3500 With A 7.4 Hard Start When Warmed Up.

truck will start fine when cold but when allowed to warm up and shut off.... the only way to restart it is to hold the petal to the floor and usually it will fire up. when warm it will hesitate an...

Engine Misfire In A 98 - 454 Gmc

Have changed Cap , Rotor , coil , plugs , wires. Have a misfire that I can't get rid of HELP , THANKS 454 , Vortex

Auxiliary Engine Cooling Fan

My engine cooling fan is not working. The fan itself works when jumped, the ground is good. I grounded the fan sensor and still nothing. Does anyone know where the engine cooling fan relay is?

What Is The Load Capacity Of A 1983 GMC 3500. GVW >5000<5600 Lbs?

What is the load capacity of this vehicle? 1983, GMC G3500, 350 cid, 4 bbl carb, 4 speed trans. floor shift, 4.10 : 1 rear gear, flat bed, LWB. What is its towing capacity? It's GVW is given as just...

1996 Gmc K3500 5.7 Vortec

I just had a brand new motor installed in my 96 gmc k3500 with the 5.7. Also had new clutch. New radiator. New water pump. New crank and new cam. I replaced all the temp sensors and put in a new di...

An A 2019 GMC DENALI 3500 4WD Be Flat Towed Behind A MOTORHOME?

Can a 2019 GMC 4WD DENALI 3500 be flat towed behind a MOTORHOME? Is there a transfer case for diengaging the transmission from the drive system?


Motor Swap

We have a 1994 GMC Sierra 3500 dulley the guy wants us to put a 350 motor in it without the wiring harness. .Can anyone tell me how I can get fire to this motor? We have the old one out and the 350...

Vent Issue 87 GMC

I have 87 GMC 3500 and I have pulled most of the dashboard off in order to see the vent doors. it appears that the doors are working. no air coming out the dashboard or defrost vents. there is high ...


Blown Fuse Link At Busbar

I found a blown fuse link that I assume goes to the starter, since nothing makes a sound when I try to start the truck. I need to know how to bypass the ignitionswich and put a push button to star...

Ive Got A Customer 04 GMC Sierra 3500 6.0L And Have Replaced Sensors The Sc...

04 GMC 3500 Sierra 6 litre engine running badly at idle it misses terribly. Under load driving, it has no power AND RUNS BAD MISSING. REVING IT UP WITH NO LOAD IT SOUNDS GOOD. tHE CODE READER SAID T...

GMC 3500

Engine gets fuel and spark on number 1 plug. Turns over but doesn't start. Sounded like it back fired last attempt. Any immediate ideas?? Trying timing right now.


The sensors on the driver's side continue to on and off randomly. What's the problem? (2015 Chevy Silverado Pick Up)

2010 Sierra 3500 Left Blinker And Brake Light

Need Value Of A Truck

2004 gmc 3500 8.1 engine SLT long bed 69,000 miles having trouble find fair price to buy this truck 2 owner 4x4 can send vin and link if that would help I know what they are asking but think for...

2000 Gmc Serria 3500

It died on me when trying to start it it backfires

04 Gmc Pickup Wont Shutoof With Key,,whats Up With This

truck engine keeps running with key off,,dash off,,,cant figure it out

Spark Plugs

What's the spark plug gap on this truck

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