check guages and low fuel lights

Started by blcclark, March 30, 2003, 08:29:16 PM

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blcclark

I've heard ppl talkin about them and mine is always on. Any easy way to fix this prob?

idbeast

It is on Shawn Lin's website:
http://www.w-body.com/service/checkgauges.html
:shock:  :biggrin:  :shocked!:  :crazyeyes:  :drinking:
Jim W     AKA  Idbeast
04 Supercharged Nissan Frontier Crew Cab 4X4 in sandstone (Light Gold)!!!
Red 89 TGP (14.95 1/4 mile) Not any more...... coming with surprises in the very near future, Black 90 TGP (14.41 1/4 mile), White 90 Turbo STE (15.06 1/4 mile), and now my 2nd White 90 Turbo STE 89 Dodge Shadow ES Turbo

4PASNU

I can tell you from personal experience that the fix works.  I just did this last week to fix my flickering "check gauges" light and it worked like a charm.  No more annoying light!
Mike Ruckhaber
Currently own a 1990 Black TGP Stock.
Previous owner of a 1989 TGP: FFP Dogbones, K&N, KVR rotors/pads. Exhaust: 3" hi-flo cat, Dynomax 2.5" Ultra Flo mufflers. 
2000 GTP

The Burning Rom

I did this fix on mine, and it fixed the light problems that I was having. But I still have accuracy problems. :( Someone mentioned that it might be a ground somewhere that's bad. I haven't started looking yet though. Waiting for my wiring diagrams to get here.
1989 Grand Prix TGP Coupe - Time For The Mods...
1990 Grand Prix TGP Coupe - In Need Of A Fuel Pump
1990 Grand Prix TGP Coupe (#2) - Motorless..
1990 Grand Prix LE Coupe - Awaiting The Scrapyard
1992 Grand Prix SE Coupe - "Woods Car"
1999 Grand Prix GT Coupe - Sits Under A Cover 364 Days A Year
1976 Dodge D700 - Dump Truck
1989 Dodge W100 Short-Box - Restoration/Diesel Project
1990 Dodge W250 - Plow Truck/Resto Project
1994 Dodge Ram 2500 8.0L V10 4x4 - Tow Rig
2002 Chrysler 300M

4PASNU

Quote from: The Burning RomI did this fix on mine, and it fixed the light problems that I was having. But I still have accuracy problems. :( Someone mentioned that it might be a ground somewhere that's bad. I haven't started looking yet though. Waiting for my wiring diagrams to get here.

Any chance you're going to post those wiring diagrams somewhere when you get them? :wink:   I'm sure some people (like me) would really appreciate it!
Mike Ruckhaber
Currently own a 1990 Black TGP Stock.
Previous owner of a 1989 TGP: FFP Dogbones, K&N, KVR rotors/pads. Exhaust: 3" hi-flo cat, Dynomax 2.5" Ultra Flo mufflers. 
2000 GTP

no1kicker



former owner of a 1990 Grand Prix STE Turbo

The Burning Rom

QuoteAny chance you're going to post those wiring diagrams somewhere when you get them? :wink:   I'm sure some people (like me) would really appreciate it!

I got the complete 90 GM Service manual off ebay..so they're the wiring diagrams from that..and they should be here any day now.  :wink: I'll have to see about posting them when they get here  :wink:

And on the issue of the innacurate dash, my speedo is off by 20 mph (HUD is dead on), the tach is off by 2 or 3 grand (shifts at 9000RPMs), the oil pressure is pegged all the time, the boost never breaks 4 (even though I can hear the turbo working like a mofo), and the gas gauge is off by around 1/2 a tank. I ran out once on the highway because of it.  :(
1989 Grand Prix TGP Coupe - Time For The Mods...
1990 Grand Prix TGP Coupe - In Need Of A Fuel Pump
1990 Grand Prix TGP Coupe (#2) - Motorless..
1990 Grand Prix LE Coupe - Awaiting The Scrapyard
1992 Grand Prix SE Coupe - "Woods Car"
1999 Grand Prix GT Coupe - Sits Under A Cover 364 Days A Year
1976 Dodge D700 - Dump Truck
1989 Dodge W100 Short-Box - Restoration/Diesel Project
1990 Dodge W250 - Plow Truck/Resto Project
1994 Dodge Ram 2500 8.0L V10 4x4 - Tow Rig
2002 Chrysler 300M

4PASNU

Quote from: The Burning RomAnd on the issue of the innacurate dash, my speedo is off by 20 mph (HUD is dead on), the tach is off by 2 or 3 grand (shifts at 9000RPMs), the oil pressure is pegged all the time, the boost never breaks 4 (even though I can hear the turbo working like a mofo), and the gas gauge is off by around 1/2 a tank. I ran out once on the highway because of it.  :(

Wow, is there anything on your dash that does work?  Thank goodness for the HUD. :wink:   Does sound like it could be a ground somewhere.  Have you tried swapping in another cluster to see if it's in the wiring or the cluster itself?
Mike Ruckhaber
Currently own a 1990 Black TGP Stock.
Previous owner of a 1989 TGP: FFP Dogbones, K&N, KVR rotors/pads. Exhaust: 3" hi-flo cat, Dynomax 2.5" Ultra Flo mufflers. 
2000 GTP

The Burning Rom

QuoteWow, is there anything on your dash that does work?  Thank goodness for the HUD. :wink:   Does sound like it could be a ground somewhere.  Have you tried swapping in another cluster to see if it's in the wiring or the cluster itself?

Yes..thank goodness for the HUD :) I have the spare N/A cluster from my LE parts car. I'm gonna try swapping that in when I get the TGP back in the garage for more work. :)
1989 Grand Prix TGP Coupe - Time For The Mods...
1990 Grand Prix TGP Coupe - In Need Of A Fuel Pump
1990 Grand Prix TGP Coupe (#2) - Motorless..
1990 Grand Prix LE Coupe - Awaiting The Scrapyard
1992 Grand Prix SE Coupe - "Woods Car"
1999 Grand Prix GT Coupe - Sits Under A Cover 364 Days A Year
1976 Dodge D700 - Dump Truck
1989 Dodge W100 Short-Box - Restoration/Diesel Project
1990 Dodge W250 - Plow Truck/Resto Project
1994 Dodge Ram 2500 8.0L V10 4x4 - Tow Rig
2002 Chrysler 300M

blcclark

same with my hud my mph gauge is off by about 7mph but my huds dead right.