1998 GMC 1500 Pickup Questions

All 1998 GMC 1500 Pickup Questions

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new starter cant hook up posative battery cablle to battery cus it trys to start an key is off
I drive the truck is normal and run good , the moment the light check gauge start to com out the truck drop from the gear 5 to 4 , high rpm and the speed aiguil rub out and go to Zero and same thing for the rpm , and ...
Shifts fine through the gears but takes a while to accelerate when you step on the pedal. Motor runs great. tranny level was right on. need to know what the best option is. should i drain the tranny fluid and add new ...
engine starts but shuts down right away.did this once before but fixed itself?
New tranny trying to figure out why its not shifting to 2nd and so on no more money to pay to fix gotta fix myself was told to test srlenoids
i just replaced the engine with a used engine, i broke the oil sender sensor while putting the engine in, engine will not start. is the broken sensor the problem
The vehicle works great on the highway in 4WD, but when you make a sharp turn it fights the steering wheel. Wondering if it is a CV joint? Or is the differential not slipping?
I have changed all sensors even switched sensor fom bant but no change . Have checked MAF,vaccuum all seem to function properly and right readings The readings do not change as engine warm up HO2S1 showed that it wa...
THERES A BANK HOLDING 3 RELAYS, ON DRIVER SIDE UNDER DASH NEAR E-BRAKE. 1 IS FOR FLASHER UNIT. WHAT ARE THE OTHER 2 CONNECT TOO. WHAT DO THEY OPERATE. WOULD THEY CAUSE TRANSFER CASE SHIFTING PROBLEMS? CAN ANYBODY HELP...
i can not find any info on the two relays. can any of these componitaces interfer whith transfer case shifting problems.
TRANSFER CASE IS SHIFTING TO 4WDL. IT TRIED TO SHIFT TO 4WH LIGHT BLINKS FOR ABOUT 10 SECOUNDS AND THE SHIFTS BACK TO 4WDL. WHEN I TURN THE ENGINE OFF. I HEAR A CLICKING SOUND LIKE A RELAY TRIPPING,IT KEEPS DOING THIS...
TRANSFER CASE SHIFT IN TO 4WDL AND AFTER I SHUT THE TRUCK OFF, I STILL HEAR THE TRANSFER CASE MODULE CLICK SHIFTING THE TRANSFER CASE. I CHECKED THE READYING WITH VOLTAGE METER, AND I GET A 12V SPIKE OFF AND ON. I HA...
How can I ensure that the AC air inlet valve is properly closed in all modes except the recirculation mode?