Question about 1994 GMC Sierra

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Need to reset Service Engine light on 1994 gmc sierra 1500

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  • 2,101 Answers

Pull the postive cable off the bettery for 5 minutes

Posted on Nov 01, 2012

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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csmock132
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SOURCE: trying to install an aftermarket stereo 1994 GMC 1500

You have to unplug the old radio. The radio isn't the part in the dash. That is just the control to the radio. The radio is actually under the dash above the accelerator pedal. It should have the power wires, speaker wires and antenna wire going to it.

Posted on Mar 30, 2009

MNfisherman
  • 11896 Answers

SOURCE: what causes service engine soon light to come on

This could be a number of things, that is why it is a good idea to have the engine codes read which many part stores offer for free.
The service engine light will go off if there is vaccum leaks, faulty sensors or circuits, or any electrical problems

Posted on Aug 24, 2009

  • 142 Answers

SOURCE: how to replace a starter on 1994 gmc sierra 1500

unhook the battery, there are 2 wires on the starter solenoid, 1 is a 5/16 nut and the other is a 9/16 nut remove those wires. this maybe easier to remove the heat shield first. next ther are two 9/16 bolts holding the starter in position, remove, and the starter will come out, about a 15min job

Posted on Sep 27, 2009

SOURCE: Got oil cahnged and now change oil soon light is

Turn the ignition on and within a few seconds slowly pump the gas pedal three times. A message displaying "oil life reset" should show up in the drivers information center. If you have the "newer" driver information center look for an "i" button and scroll through it until you see "oil life **%" displayed. At that point press and hold the reset button until it resets to 100%. Should take about 10 seconds of holding the button.

There should be instructions on how to reset it in the owners manual if this doesn't help. Good luck.

Posted on Oct 06, 2009

  • 1509 Answers

SOURCE: 2004 gmc 1500 sierra heater control stuck on

Defrost is the default position. Is the control a autyomatic temperture control unit? ( you set the temp and select automatic) if it is the system is completely electronic. You push the buttons and the control still says defrost or can you select something else and the control shows it but it just keeps coming out the defrost? If the control changes and the air comes out the defrost anyway and the cheack engine light isn't on, then the problem can be blown fuses or an air door actoater not working. Does the dash emit a clicking sound? if it does with the covers off the bottom of the dash reach around touching the different pieces till you touch the idem that is clicking. this is an acutor motor, or blend door motor. they have gears in them that wear out and break the motors aren't repairable and you just replace the ofending motor. the door that is moves can be stuck. and may have to be freed up with blaster, WD40, or other rust buster till it moves easy. maybe after getting the door to move smoothly you can get the old motor to move the door wiithout having to install a new one.

Posted on Jan 06, 2010

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1 Answer

What reasons are there for a 1994 gmc sierra 1500 series not have any working low beams?


Bulbs or fuses are the first place to start. The next thing I would move onto would be the wiring harness. Clean out the coupler connections and make sure they are seated properly when you put them back. If you use a meter you can tell if you are getting 12 volts through the harness itself.

Jan 01, 2015 | 1994 GMC Sierra

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My 1994 gmc 1500 the injectors start misting at 3000 rpm.s


Faulty fuel pump.Check your fuel pressure it should be 9-13 psi with engine running.

Jan 23, 2012 | GMC C1500 Cars & Trucks

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What type of Flywheel do I need for a 1994 GMC Sierra SL 1500 automatic 4.3l V6 305?


It's not a flywheel, it's a flex plate that bolts to back of engine. Why do you need one? If your starter is grinding it needs a starter drive (bendix)

Jan 04, 2011 | 1994 GMC Sierra

1 Answer

I have a 1994 GMC Sierra 1500 and the horn doesn't work, i tried the cab fuse bow but no fuse there, where would the fuse be for the horn if there is one?


engine compartment relay box. There is also a horn relay there.

Please see my tip at http://www.fixya.com/cars/r6022358-relay_check to check the relay and socket. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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Oct 15, 2010 | 1994 GMC Sierra

1 Answer

I have a 1994 GMC 1500 Sierra with 350 engine 5.7 what should the timing be set at?


The timing (base), is 0 degrees before tdc. Keep in mind the timing connector must be unplugged. usually a brown wire with a black tracer, has a single connector, located under glove box, or by distributor. Thanks...

Sep 21, 2010 | 1994 GMC Sierra

1 Answer

Auto trans shifting problem


check the sensor on the transmission and give these guys a call at Schram auto and truck parts 1-800-292-1032 they sell only GM parts or try online at www.schramauto.com

May 03, 2009 | 1997 GMC Sierra

1 Answer

Transmission Identification


If it's a 1500 then yes the 4l60E tranny is for you. If it's a 2500-3500 you'll need a 4l80E. The 80's are only used in trucks with a gvw or 7200 and greater.

Nov 07, 2008 | 1994 GMC Sierra

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