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September 5th, 2010, 12:07 AM
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#1 |
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Newbie
Join Date: Sep 2010
Posts: 4
 iTrader: 0 reviews
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Temp Gauge Issues
ok so here where it starts....my car off with no key in the ignition and when i turn my light switch on my temp gauge goes up....ok then i put my key in and turn it to on...the temp goes back down and reads whatever the temp is....ok so heres the problem.....when im driving and say im down shifting s my rpms go down my temp gauge goes up and my battery light wll flash n go away.....my thermostat is new water pump and alternator are relatively new
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September 5th, 2010, 12:13 AM
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#2 |
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Regular
'88 Mustang GT
Join Date: Apr 2010
Location: Allentown, PA
Posts: 463
iTrader: 0 reviews
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sounds like a loose belt to me. the increase in engine speed causes the belt to slip, reducing the coolant flow and alternator output.
__________________
'02 Mustang GTm Convertible - N/A Cammed Daily '88 Mustang GTm - 1/4 Mile Build - 750rwhp Project '97 Saturn SL2m - Ex-Nitrous Build - Back-Up Daily |
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September 5th, 2010, 12:18 AM
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#3 |
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Newbie
Join Date: Sep 2010
Posts: 4
iTrader: 0 reviews
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if it was the belt then y is my gauge trippen when the light switch is on
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September 5th, 2010, 12:22 AM
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#4 |
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Regular
'88 Mustang GT
Join Date: Apr 2010
Location: Allentown, PA
Posts: 463
iTrader: 0 reviews
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the gauge is electrical. the lower voltage is probably messing up the sender.
__________________
'02 Mustang GTm Convertible - N/A Cammed Daily '88 Mustang GTm - 1/4 Mile Build - 750rwhp Project '97 Saturn SL2m - Ex-Nitrous Build - Back-Up Daily |
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September 5th, 2010, 01:08 AM
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#5 |
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MM Fanatic
89 GT
Join Date: Apr 2007
Location: NY
Posts: 4,875
iTrader: 2 reviews
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Has this always been an issue or did it start out of nowhere?
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September 5th, 2010, 01:19 AM
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#6 |
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I Post Entirely Way Too Much
1991 Ford Mustang GT
Join Date: May 2007
Location: San Diego, California
Posts: 6,061
iTrader: 0 reviews
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Im not sure if this is the problem but i had a problem with my fuel gauge and it turned out to be the anti slosh circuit board that plugs into the back of the gauge cluster. its on the top of the cluster in the back on the same side as the fuel gauge. but its also a volt regulator for you gauges. there like $80 new at latemodelresto.com or you can get them cheaper at a junk yard. ( but i think there only on 1990-1993 mustangs)
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September 5th, 2010, 02:19 AM
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#7 |
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Newbie
Join Date: Sep 2010
Posts: 4
iTrader: 0 reviews
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it just started the other day......im lost
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September 5th, 2010, 02:29 AM
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#8 |
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I Post Entirely Way Too Much
1991 Ford Mustang GT
Join Date: May 2007
Location: San Diego, California
Posts: 6,061
iTrader: 0 reviews
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This is what that voltage regulator looks like. This is a replacement voltage regulator panel for your 1990-93 Mustang instrument cluster. This panel regulates the amount of voltage to your gauges and keeps them functioning properly. If you have had problems with jumpy needles, mis-readings, or flickering lights on your dash panel gauges, this could be the culprit!
1990-93 Mustang Instrument Voltage Regulator by Ford at LRS - Same Day Shipping! |
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