cruise control

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

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  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 New Member 1000 Posts 100 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 New Member 1000 Posts 100 Posts

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

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