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troubleshooting

  1. yellowK20

    1994 K3500 DRAC/VSSB trouble shooting.

    So I got a screaming deal on a ex army K3500 SRW with a nice utility bed . Kid was selling it because the Truck went in to limp mode , no speedo. I figured it was a VSS , or maybe the DRAC/ VSSB . Got it home , went for the swaptronics with known good parts...........nope still in limp mode...
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