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2002 Buick rendezvous confort control

Hi there i have a 2002 Buick rendezvous and sometimes the fuse from the AC compressor break down and is doing that every 3-4 days and also the fan knob have up to 5 cycles of speed but just works just up-to number 4 and when I switch to 5 it turn off what this 2 little-big problems can be? I will appreciate if somebody can help me with this thanks.

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  • Cars & Trucks Master
  • 632 Answers

Fuses blow because of higher amperage than what the system is rated for. This could be caused by short to ground or a component such as your A/C compressor that's seizing up demanding more amperage to actually be able to turn. The other issue could be caused by a failed resistor block or contact on the switch. Resistor blocks are usually the cause of this issue.

Posted on Apr 15, 2014

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  • normancubas Apr 16, 2014

    Thanks for your response HECTOR MORALES and the actual fuse is 10A, Do you think? that using a fuse with 15A or 20A will solve this problem or may cause a overheat in the wiring thanks

  • Hector L. Morales Apr 17, 2014

    I would never put a fuse higher than specified. Fuses are there to protect the circuit putting a fuse higher than what it calls for defeats the purpose and may in fact cause the wiring harness to overheat, melt and even start a fire. You must find the cause of the problem and fix accordingly.

  • normancubas Apr 22, 2014

    here is the weird situation Right now the 10A fuse pops up immediately after I push the AC button; BUT I tested the AC button with a 15A fuse and the AC clutch turns on fine; that mean that is not a short to ground because the 15A fuse works fine is what I think but I don't want to use the 15A because you know I'm afraid of overheat the wires, and like you said could be that the AC Clutch is demanding more amperage to turn on but how can I solve this ? I will appreciate if you can help me to solve this matter thanks

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