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  1. D

    Fuse panel

    Update and good info to share with the group , this is a project truck and the gauge cluster was not yet installed after some tracing and luck we installed the cluster and found that the cluster powers the left side of the fuse panel
  2. D

    Fuse panel

    Yes and one of the taps is the fuel tank switch truck is being redone dash is out where so the taps get powered from
  3. D

    Fuse panel

    1983 k20 left side of the fuse panel is dead anyone have this issue / how do I fix this
  4. D

    1987 windshield wipers

    Thank you both
  5. D

    1987 windshield wipers

    Made a lot of progress and you members have helped so much . I am down to where is the in cab ground wire or wires . Have hi / low and mist and works on relay but only ask like low and does not park in any function, wiper mode only turns on the washer motor
  6. D

    1987 windshield wipers

    I do have intermittent wipers have replace the box under the column with a new ac delco one
  7. D

    1987 windshield wipers

    My wipers only work on high almost like they are on a toggle switch stop where they are when shut off slow down over heat and stop have replaced everything am lost
  8. D

    Brake issue

    When hard braking my pedal drops down and all brake power goes the the rear wheels what causes this issue new master and lines and wheel cylinders and calipers on a 1987 k20 with rv package
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    1987 wipers only work on hi

    After testing and research someone had installed a newer 7 wire switch so I when I replaced the switch I did the same thing not having the part number. I have the 5 wire switch on order . Also found out GM has discontinued this part
  10. D

    1987 wipers only work on hi

    Thank you for your help , hatze they just stop where they are when i turn it to low or any other point than hi
  11. D

    1987 wipers only work on hi

    Have replaced the switch and module also the motor

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