Question about 1998 Oldsmobile Bravada

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1998 Olds Bravada 4.3 liter engine. Electrical problems with no fuel gauge, temp gauge, low fuel light works all the time (with full tank)windshield wipers front and back, windshield washer, cruise control, ABS light is on all the time when engine is on, battery light is on (new battery), ceiling temperature reading does not work, heater/a/c fan, a/c & do not run. Disconnected battery for short period then hooked back up hoping computer would reset. It didn't.

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  • Oldsmobile Master
  • 11,486 Answers

Disconnect battery ? Hoping for a magical fix ? Battery light on means there is a charging system problem , alternator not the battery . Do you know how to do automotive electrical circuit testing ? If not your best bet , take it to a qualified repair shop .
How To Check Charging System EricTheCarGuy Some of the problems are likely do to a low voltage condition . It would also have the vehicle control modules checked for DTC'S - diagnostic trouble codes ! Doing electrical testing of the circuits of the thing's not working etc... is the way to find the problem .
Electric Testing Techniques You Need to Know
It takes years to learn how to do electrical test correctly . Someone who has no clue shouldn't even try .

Posted on Jun 12, 2017

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: low heat from heater

Had same problem. Take off both hoses to the heater core at the fire wall. Using a garden hose with nozel flush with water on the "inlet hose" first(the one hot to touch) then flush the other side. A nasty blackish slim will come out. Oh, cover your distributor with a plastic bag first so it won't get wet. Put the hoses back on, set heat for full high and enjoy your nice warm bravada again!

Posted on Jan 18, 2009

  • 53 Answers

SOURCE: 1998 Olds 88, Replaced all the brake lines

you probably push air into the ABS unit when getting your lines replace but the Traction Control light might be on because the system might use the wheel speed sensor on the ABS unit to enable the Traction Control.......

Posted on Jul 09, 2009

  • 449 Answers

SOURCE: 1999 honda civic cruise control doesn't work. When

Check your fuses.

Posted on Oct 26, 2009

  • 1168 Answers

SOURCE: My windshield wipers/cruise control issues

Hi Chris.
If you are sure the cruise and the wipers go out at the same time it may be a problem in your control switch but it would be highly unusual to be related to both.
Here is a possible solution to your wipers though.
There are 3 torx screws that hold a plastic panel in place on your wiper motor. Remove the power connector from your wiper motor and then the 3 screws. When the cover is off you will see a circuit board. Gently pull the circuit board straight out (there are some metal clips that will release).
When the board is out look carefully on the board in the area where the plug is. You may need a magnifying glass if your eyes are like mine ;) .
If you see cracks at the solder joint hit them with a solder gun.If you dont you may need a new board.

Posted on Oct 29, 2009

  • 108 Answers

SOURCE: 99 olds bravada rear wiper not working

Check for power to your rear wiper motor. To do this you will have to remove the rear door trim. Once the door trim is removed check for power at your connector plug on the rear wiper motor with switch on. If there is power there than replace motor if not then start by checking fuses (which is a good idea to do before removing door panel because it's the easiest thing to check), connectors and wiring for damage and open circuit( cuts or broken pins in connectors or open/broken wiring)

Posted on Nov 04, 2009

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1 Answer

Where is the gages located for fuel, battery,& temp on 2002 olds bravada


Check for a blown fuse under the dash. It will be marked gauges or instruments.

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Engine codes po452, po440,po122. electrical problem?


You should have 3 grounds 1 from the battery to the engine one from the engine to the body and then from the engine to the frame. Look for these grounds they look like braided flat wire. I think you also may have a loose plug or a cut in the main harness from the rear of the vehicle. Look along the frame as the harness runs from back to front. Looking at your codes I do not think they are related to your electrical problem. I gave up trying to fix my gear indicator, I had to replace the fuel tank sensor to get my gas gage working right.

May 18, 2010 | 1998 Chevrolet Blazer

1 Answer

1998 olds Bravada, runs great in the driveway, once in gear, i give it gas and it quits, only happens in cold weather


Bad TPS will give you a SES light. Possible low fuel pressure from bad fuel pump. Put a fuel pressure gauge on the service port close to the firewall, should stay above 50 psi when juicing the gas. Only use OEM parts on a Bravada! Try "thepartsladi" store on eBay.

Dec 11, 2009 | 1998 Oldsmobile Bravada

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1999 Oldsmobile Bravada Heating Problem


when engine is cold remove radiator cap and check coolant level,sounds like it is really low and has an air pocket in it.

Dec 02, 2009 | 1999 Oldsmobile Bravada

1 Answer

1993 Jeep Grand Cherokee Fuel Gauge not working


There could be two problems here:
1. That buoy floating tank is not working properly
2. That the electrical system that fails to submit the dashboard.

Review this information:
- ZJ-Secc-8E-Instrument-Cluster-and-Gauges
Page 2 - Fuel Gauges description
Page 4 - Voltimeter/Tachometer/Fuel Gauge/Low Fuel Inoperative
Page 10 - Specifications
- ZJ-Secc-14-Fuel-System
About Fuel Tank components
- ZJ-Secc-8W-Wiring-Diagrams
Fuel Tank and Gauge & Sensor Units Sending (Page 93 and next)

Good luck... and remember rated this help.

Jun 13, 2009 | 1993 Jeep Grand Cherokee

1 Answer

98 bravada gas gauge fluctuates rapidly from E to


sound like a problem with your sending unit inside the gas tank with fuel pump or gauge in dash defective but with GM usually it is the sending unit

Jun 13, 2009 | 1998 Oldsmobile Bravada

1 Answer

2001 Olds Bravada Fuel Guage


could be 1 of 2 things. the gauge itself could be bad or, a wire to the gauge

Feb 07, 2009 | 2001 Oldsmobile Bravada

2 Answers

Low fuel light stays on


change the sender unit in the tank,check wiring on top of sender unit

Jan 01, 2009 | 1998 Oldsmobile Bravada

2 Answers

1998 olds bravada


If all the other gauges are working, then it is definately the sending unit. Mine is out at the moment and has been all summer. Pain in the **** to fix so haven't yet. Have to know however cause the fuel pump went out. Gonna kill 2 birds with 1 stone. We have just been using the digital reader for fuel used to know how much gas is in it. The gas gauge will bounce between half and full but never go below half.

Aug 23, 2008 | 1998 Oldsmobile Bravada

1 Answer

1989 Saab 900 low level fuel light


You don;t say whether the fuel gauge is reading accurately, or whether it's always on empty. If the gauge is always showing empty, it's most likely a problem with the sending unit in the fuel tank. Check the resistance across the two terminals of the sending unit.

On a C900, the fuel sender level unit is separate from the fuel pump and located on the right side top of the tank, accessible by removing the trunk floor lift up panel (the pump is located on the left side top of the tank.
Possible problems are: electrical line off or broken, float not working (it's fairly delicate); or gauge not working.

Test the resistance of the sending unit with the lines disconnected, the resistance should be 2.6 to 3.8 ohms full tank, 63.3 to 67.5 ohms empty tank; and test for voltage across the top of the sender unit, if no voltage, that's likely the problem!

If the gauge is otherwise reading accurately (showing 'full' for a full tank, etc) then the problem is likely a gauge malfunction and can be simply replaced.

Good luck!

Saabreur

Jul 10, 2008 | 1989 Saab 900 4 Door

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