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cruise control

Discussion in 'GM Electrical Tech' started by taz7200, Aug 28, 2010.

  1. taz7200

    taz7200 New Member

    I have a 1990 GMC Suburban when i set the cruise it will disengage when i use the turn signals or wipers any way. I don't know where to start to deal with the problem. thanks for the help.
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Your multi-function switch is shot.
  3. taz7200

    taz7200 New Member

    so i need to replace the turn signal, wiper, cruise control switch on the column
  4. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    YEp.. it is shorting out when you turn on the wipers, yet another common problem with that switch.

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