GMC Sierra 1500 Questions Maintenance & Repair

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Does The Volt Meter Read Too High?

Had a short in the rear view mirror. Now replaced. Now noticing the volt meter rides above 14 (best guess is about 15v, looking at the gauge. Only comes down slightly when running at highway spe...

10 views with 4 answers (last answer 21 hours ago)

1991 Sierra Clock And Radio Show Lights But Do Not Run

Turning off the truck does not clear the problem but disconnecting the battery resets both the clock and the radio, but they only run for about a min.


Whare Is The Brake Light Switch

I have a gmc sirrea 1500 how can I find out why i have no brake lights and no back up lights? ive checked everything nothing seems to work thanks


Speedometer Doesent Work Transmission Doesnt Shiff 1994 Gmc Sierra

i put a new speed sencer on it speed nedle jumped a few times an went back to 0.takes off in 2 are 3. will not change out. shifts prefet when speedometer works.


1995 Gmc With 305 V8 Will Stall Out And Almost Die When I Want To Accelerat...

Engine was rebuilt a while ago and now it wants to stall and die every time I want to accelerate. Put on new cap,rotor, plugs, wires, TPS, MAP, fuel pump, fuel filter, and rebuilt the TBI. Have also ...

Jimmy Vaughn

Cranks But No Run (has No Fire)

have replaced with new dist,cap, rotor, wires ,plugs,cam sensor , crank sensor, and swamped with known to be good map sensor ,coil and ign driver, and ecm, have checked connectivity all was good gr...

24 views with 9 answers (last answer about a day ago)
Neal Turner

Water Is Getting My Exhaust Pipes And In The Oil Pan Why?

I just put the heads and intake on this engine

12 views with 1 answer (last answer 5 days ago)
Nathan Haggard

How Do I Solve This Brake Problem?

I just replaced the rotors, pads, and calipers on my truck. The brakes work ok but now the brake light stays on blinking and dings when moving. In addition to this when I am stopping the ABS kicks i...

22 views with 4 answers (last answer about a week ago)

1994 Gmc K1500 4x4 V6 Trouble Code Question

I got codes 15 (ect high voltage) and 35 (iac issue). I read that there could be wiring, sensor or dcm issues for each of these, my question is what are the common causes for each. the ect was repla...


While On A Lift, With 4-wheel Drive Engaged, The Fron Wheels Turn. On The G...

When I push the 4WD button the light comes on just as it is supposed to but the truck is still rear wheel only.


4.3 Engine Fuel Line Replacment

Fuel lines are rotten almost up to the engine intake.Are the 2 lines going into the top of the engine available as an aftermarket part? Thank you


88 Gmc Sierra 1500 Spitting And Sputtering When You Drive It But Runs Good ...

truck starts up and runs but idles high, when you drive it, it spits and sputters no power but if you gas it good it runs better

50 views with 6 answers (last answer about a week ago)

Ok So I Have A 1993 Gmc Sierra Sle With A 4.3 Liter. My Flywheel Keeps Maki...

I was adjusting my timing when it happened. I took my tranny off and adjusted her and put everything back and now I have no power and I'm misfiring. But flywheel still makes noise.

7 views with 3 answers (last answer about a week ago)

Brake Lights Don't Work

I was told it was the brake light switch, replaced that and no effect. All the tail lights work including the 4 way flashers , and all the bulbs and fuses are sound; there is no electricity on the fu...

12 views with 3 answers (last answer about a week ago)

I Have A 88 Gmc....i Had To Replace The Tank And.

I am trying to replace my 88 gmc fuel tank with a 98, but the wiring is different. I thought I connected it correctly and go t the correct read from the meter......but the truch wont start......wha...

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