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When I turn on the turn signal my speedo needle flops down from proper speed reading and back up again.....whats up with that....thanks for your input.....93 P/U 3.0 4x4
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You could have a slowly failing VSS1 - the electronic component in the transfer case that generates the electronic signal. "Drop to zero, then springs back up" is the common symptom.
But if it ONLY happens with the turn signal (not the headlights, etc.), then I would start by looking for a short in the turn signals. Heck, I'd start by looking at the turn signals while someone operates the switch; if one isn't lighting it could be shorted.
But if it ONLY happens with the turn signal (not the headlights, etc.), then I would start by looking for a short in the turn signals. Heck, I'd start by looking at the turn signals while someone operates the switch; if one isn't lighting it could be shorted.
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