Question about 1998 Oldsmobile Bravada

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Lights and heater

Ok so i have a 1998 Oldsmobile Bravada and i just recently put in a new speaker system myself. i took off the dash and then put it back on. A day later my lights on the spedometer and shifter and heater/ac dials wont light and my heater isnt pushing out hot air. is this all connected in some way? or are they all seperate problems?

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  • swity_5 Oct 09, 2008

    My engine is also over heating all of a sudden. it all started happening at the same time! There is no lights coming on to tell me that my engine is overheating either. thanx

  • swity_5 Oct 09, 2008

    I took everything that was connect to the dash off of it such as the dome and dimmer switch on the left and then in the middle is the hatch switch. The engine overheats at idle and it overheats in about 3-5 min and it also gets over 220 to 230 degrees or even higher!

  • swity_5 Oct 09, 2008

    its not smoking but the needle is raising

  • swity_5 Oct 09, 2008

    i never touched anything with the gages it was just the lights and the hatch door. The guages are completely seperate from the dash

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  • 39 Answers

Alot could have happened when you pulled off the dash try these:
1. Make sure that all of the wires are connected to the speedo and heater/ac dials are connected
2. The most possible solution is that you blew a fuse check the under the dash fuse box and make sure the appropriate fuse isn't blown.
3. Make sure the wire that goes to your interior light dimmer switch is plugged up correctly.

Lets see how that works good luck!

Posted on Oct 09, 2008

  • 1 more comment 
  • Mark Lee
    Mark Lee Oct 09, 2008

    when you took the dash apart what all was disconnected? How long does it take for the car to start overheating? And does it over heat at idle (engine running/ car is not)?

  • Mark Lee
    Mark Lee Oct 09, 2008

    Does it smoke or do you see the needle raise up?

  • Mark Lee
    Mark Lee Oct 09, 2008

    Ok then your motor is fine. You probably have some of the connections on the instrument cluster panel mixed up. Try switching some of the connectors around.

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