20 Most Recent 1989 GMC Suburban Questions & Answers


Not sure but the flasher unit is separate from turn signals and most vehicles the turn flasher unit is not far from the steering wheel post up under the dash.

1989 GMC... | Answered on Jan 29, 2018


Sara, 1989 GMC Suburban front bumper removal. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1989 GMC... | Answered on Jul 10, 2016


Trim has to first be removed as you sit in your seat and look at it. Study it, and you'll figure it out. Sometimes when you're pulling on it, it'll feel as though it'll break but it usually doesn't. This is too intense a subject to cover without some tutoring. With or without a tutor, you may be talking like a truck drivin' Sailor before you get to the lamps that need replacing. So start by taking not of the location of the dash lamps that're not lighting up.

1989 GMC... | Answered on Mar 16, 2014


they dont blink they just get bright and dim? may have a shorted bulb filament check the side that flashes funny..

1989 GMC... | Answered on Dec 30, 2013


Put your CRANK to ZERO and then put a screwdriver into the hole to see where the Line is and then align the Distributor that way, then you need to keep it loose so you can get the timing down correct.

1989 GMC... | Answered on Apr 10, 2013


As with any no start problem, you would need to check for power to the coil and the other ignition components.
It could be a relay or it may not have anything to do with changing the battery.

1989 GMC... | Answered on Jan 14, 2013


Start it up, when it hits operating temp that the thermostat open,Have gloves on that you don,t get burn,t, Seaze the hoses from the rad going to the engine one at a time to check if antifreeze is flowing trough them, If you don,t feel any flow on the top one ,the water pump is shot, Or you can take off the rad cap, Before you fire the truck up, Start it end watch if it is circulateing though the rad, But i have seen to many people get scolded that way, The hose trick is a safer thing to do. (PS) There could be a blockage ,That is causeing it to over heat All So,

1989 GMC... | Answered on Nov 10, 2012


Try unpluging head lamp switch. If they go off then the switch is in need of replacement. If they stay on then you have a short.

1989 GMC... | Answered on Feb 22, 2012


on the frame, under where driver sits.

1989 GMC... | Answered on Sep 13, 2011


WHAT IS THE PROBLEM WITH THE VEHICLE

1989 GMC... | Answered on Jul 15, 2011


under the hood where the cable hooks to the engine there should be an adjust on the cable

1989 GMC... | Answered on Jul 10, 2011


try to see if ur heater core is pluged up sumtimes that can cause ur car to over heat. hope this helps

1989 GMC... | Answered on Jun 07, 2011

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