Question about 2004 Isuzu Rodeo

2 Answers

Have a 2004 Rodeo V6 4x4 with a brake light problem. The brake lights work normally, except when parking lights or headlights are on. When parking/headlights are on, stepping on the brake turns off all the rear lights. The tail light and brake light fuses are ok. Any suggestions?

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  • yadayada
    yadayada Aug 05, 2010

    is there voltage to the fan motor?

  • dcstockman Aug 06, 2010

    My question was:
    Have a 2004 Rodeo V6 4x4 with a brake light problem. The brake lights work normally, except when parking lights or headlights are on. When parking/headlights are on, stepping on the brake turns off both rear lights. The tail light and brake light fuses are ok. I'll add that the rear window roof light seems to be unaffected and functions as it should, and the license plate lights stay on as well.

  • dcstockman Aug 06, 2010

    Absolutely helpful advice, problem solved with a simple fix!

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Hi,

You have an earth problem with the rear lights, so check the earth connections which are in the R/H and L/H tail lamp assemblies the black wire.

Check this and it should solve your problem.

Let me know if you need more information.

Thanks

Jason

Posted on Aug 06, 2010

  • Jason Maurirere
    Jason Maurirere Aug 06, 2010

    Yes the brake lights will affect the tail lights when they are switched on if there is a faulty earth.

    Check the earths as I have previously stated and get back to me with what you find.


  • dcstockman Aug 06, 2010

    You were right on Jason, thanks. I pulled the assemblies off and jiggled the black leads and the problem is solved. I live on an island in the Caribbean and the air is very corrosive. The hardest part of this repair was placing the mirrors so that I could see the tail lights as I stepped on the brake pedal. Repair time, about 15 minutes. BTW, we call "earth" a "ground" in the US. Again, many thanks!

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  • Isuzu Master
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I would suggest you replace the multifunction/turn signal switch,all the circuits run through this switch it is the most likely part to cause this type of problem, to replace, just remove the two covers on the steering column, the screws that hold them together are on the bottom side cover and down inside recessed holes,they are cross point, u will also need to safety the airbag (disconnect battery for 15 minutes before starting work) as the steering wheel must be removed as well, this will require a steering wheel puller tool. here is the part you need.
this one is with Cruise control. As this switch is very expensive I strongly suggest the dealer verify my diagnosis.
AIRTEX / WELLS Part # 1S3953 {#8973555100, SW4223}
w/Intermittent Wipers & Cruise Control; From 11/02; Column Mounted $275.79




Have a 2004 Rodeo V6 - 1c36b8d.jpg

Posted on Aug 05, 2010

  • dcstockman Aug 05, 2010

    Thanks for your quick reply.
    I was afraid you'd say that. I know there's a switch on the top of the pedal beneath the dash, and relays in the fuse box, any chance it might be them instead of a $1000 repair job?

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