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Voltage and Temp gauge are sparatic?

They bounce when I press the brakes...
The batt gauge reads incredible low, and the temp gauge sometimes reads about right, sometimes really really high (but the overheat warning doesnt come on, and I'm *positive* it wasn't overheating)

When I shut the car off, the temp gauge pegs itself on the top peg.



Whiskey tango hotel?

Thanks guys,
-Alex

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1986 944 turbo - For sale.
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Old 11-14-2006, 08:58 PM
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Re: Voltage and Temp gauge are sparatic?

Quote:
Originally posted by pozican
Whiskey tango hotel?
yes please!
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Kyle

2008 Mini Cooper // '83 Porsche 944 // '01 Mazda Protege [sold] //
"Never break more than you fix!" - SoCal Driver
Old 11-14-2006, 09:28 PM
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I think my temp gauge is shorting and I think the battery has a bad ground, maybe both on both, maybe the problems or gauges are switched, either way, anyone know where the location of the ground and the pickup are for the battery and the temp gauge?

Thanks,
-Alex
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My cars for sale, due to move

1986 944 turbo - For sale.
1987 944 N/A - For sale.
Old 11-15-2006, 08:27 AM
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There are seven (I think) ground places on the car and they all need to be cleaned periodically. Do a search here and you will find a detailed diagram of all of them. If you can't find it, let me know and I'll look for you. Doesn't sound like a short to me...sounds like more of a ground issue. A short will usually blow a fuse.
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Tom

1990 944S2 Cabriolet
2002 Chevy Silverado 2500HD
2003 Maroon Ford F350 dually
Old 11-15-2006, 12:51 PM
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There are a few under the dash aswell not listed in this picture.
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1988 Granite Green 911 3.4L
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Past worth mentioning - 1987 924S, 1987 944, 1988 944T with 5.7L LS1
Old 11-15-2006, 12:56 PM
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Check Clarks guide elect-19 (for Gauge Trouble shooting)
I think your ground is either on the firewall up under dash, or under fuse panel. (you have to remove from bracket to check)
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1987 924S with 968 Drive front to back, Bilstein Insert on mod/stock Struts, 450# Hypercoils, 28mm Torsion Bars, Weltmeister Adjustable Sway Bars, Lindsey 968 Light flywheel, Spec Stage II Clutch, ToYO RA1's, Auto Power Cage & 6 pt Harness, KLA Strut Brace, Greasy hands, heavy foot, and lots of smiles
Old 11-15-2006, 03:42 PM
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Quote:
Originally posted by JivenJim
Check Clarks guide elect-19 (for Gauge Trouble shooting)
I think your ground is either on the firewall up under dash, or under fuse panel. (you have to remove from bracket to check)
Under the dash like stick my head under, or under the dash like, pull the gauges under? ( **Shudder** )

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My cars for sale, due to move

1986 944 turbo - For sale.
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Old 11-15-2006, 04:43 PM
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