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  1. J

    ECM1 Fuse Schematic 89 Suburban

    My 89 Suburban will occasionally blow the 10 amp ECM 1 fuse. It’s done it twice, both times after I got off the brake. Anyone have a wiring diagram for the ECM 1 fuse circuit? I need to start tracing wires. I think they are pink and pink with black marker but don’t know what the fuse powers.
  2. J

    Windshield Wiper Motor Upgrade

    I have a 89 GMC Suburban with the old style wiper motor, With delay and tilt which has a credit card sized control module mounted at the bottom of the steering column. All wiper system parts are new but the wiper delay function will not work. I read in an old thread somewhere that installing...
  3. J

    SORRY MECHANIC

    I have to post this. I have been chasing a weird over heating problem for two months.89 Suburban TBI water temperature would climb to or greater than 230. Shut the engine off for 15-20 seconds and it would run around 205-210. It might run 10 minutes at that temperature or 1000 miles. New...
  4. J

    Front End Noise

    I am about to go mad trying to find a front end noise. It sounds like a golf ball in a cardboard box when running over bumps or cracks in a road. Left side. Applying brakes doesn’t change anything. Steering changes no difference. Everything is new up front, bushings, ball joints, steering Box...

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