Question about 1999 Pontiac Grand Prix

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All gauges went out while driving

All my gauges went out while I was driving, all gauges are registering zero while I am driving.

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Check the fuse.

Posted on Jun 30, 2009

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Posted on Jan 02, 2017

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SOURCE: fuel gauge registers full when filled with

The sender unit in the tank is the most likely cause. To test the panel unit, remove the wire from the fuel tank unit and gound it. The panel gauge needle should move up full scale to hot. Remove the wire from the ground and the gauge should return to empty. If this test is ok, the tank unit needs to be replaced.

Posted on Apr 03, 2010

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3 Answers

What causes oil pressure to drop to zero but goes with accelleration


If your oil is full, it's most likely electrical. If it's not electrical, then it's most likely something like a crack in the pickup tube, sucking air if I had to guess.

Sep 11, 2014 | 2000 Jeep Grand Cherokee

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No oil pressure on my 2009 Yukon


You need to be careful here. If you are driving your Vehicle with ZERO PRESSURE, you are going to blow up your engine.

There is also one of 2 other scenero's for a GM Vehicle

FIRST: Instrument Cluster STEPPER MOTORS are KNOWN to be going BAD in GM's/. If the Stepper Motor is bad, make sure you replace it with a X27.168

SECOND. Your Sending Unit could have come unplugged or the Unit itself went bad.

I am Betting that your Stepper Motor went bad (Happens that Frequently).

I would put a Gauge on the Motor and see what the Oil Pressure Actually is, if it is Truly ZERO... do not start or Drive the vehicle and take it to a Good Mechanic or if still under warranty.. To the DEALER

Apr 08, 2013 | 2009 GMC Yukon XL

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SPEEDOMETER AND TEMPERETRUE GAUGE


If you start the engine cold you will drive around 2-3 miles or about 5 minutes before you will see the temp gauge rise . It takes a short time before the water in the engine is hot enough to register on the gauge.As to the speedo check the unit on the tranny for broken wires or faulty unit or a code ion the cpu

Jan 17, 2013 | Cars & Trucks

1 Answer

We have over 20 inches of snow, i drove in it, while diving i saw my bat hand go to 0, now today its 3 degrees outside and its will not start, when i jump it it starts after about 10 clicks, what could be...


If your battery gauge went to zero whilst driving it sounds like your alternator stopped charging. Either the alternator itself failed or you chewed a fan belt. If you jump started it, and the battery light stays on or the gauge still reads zero then that would confirm the above.
Driving or running the car without alternator charge will simply run the battery to zero. it will be quite hard to even jump start after that.
Check for broken,lost belt and get it running again and watch the gauge/batt light. If its on, its not charging, if its off then you most likely have a battery going bad.

Feb 03, 2011 | 2004 Jeep Grand Cherokee

1 Answer

Fuel gauge registers full when filled with gas....drive 20mi and then drops to zero...still gas in the tank


The sender unit in the tank is the most likely cause. To test the panel unit, remove the wire from the fuel tank unit and gound it. The panel gauge needle should move up full scale to hot. Remove the wire from the ground and the gauge should return to empty. If this test is ok, the tank unit needs to be replaced.

Apr 03, 2010 | 1989 Toyota Pickup SR5

1 Answer

Ran ok at 70mph but the gauges all went to zero for approx 10 sec


If it happens again, smack the top of the dash above the gauges with your hand. If the gauges come back on then remove the gauges and clean the plug contacts. This usually will restore proper operation. Some people actually put a slight bend in connectors to get a tighter fit...you can do that but don't get radical or it won't go back together.

Nov 19, 2009 | 1999 Jeep Wrangler

1 Answer

Oil Pressure Gauge is Reading zero.


At this point, don't worry about the A/C...check to see if the wire is connected to the sending unit for your oil pressure. If it is, then, does the engine have any knocking or tapping? If it is, don't drive it. If Its still quiet then replace the sending unit.
I see no reason for any connection between the two problems but you never know what some crazy engineer may have designed into the system. Protect the engine first, then if necessary diagnose the a/c problem separately (could be a fuse, relay or wiring defect)

Sep 04, 2009 | 1994 Jeep Cherokee Country

1 Answer

2002 2.5l no oil pressure on gauge. Runs fine...no


You better put a manual gauge on your engine and make sure you have oil pressure. Could just be a faulty gauge or sending unit but I sure as heck would be checking it with a manual gauge.

Aug 01, 2009 | 2002 Jeep Wrangler

1 Answer

2000 Jeep Wrangler Check Gauges Light on


If the alt.is bd, it will make your dash go crazy because now your running only on battery power. Not enough volts to run every electrical items

Nov 13, 2008 | 1998 Jeep Wrangler

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