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I have two speedo sender units I just took off running spiders,
1988 quad and 1989 spider veloce ,
Tested working ,
$145 each plus 19.85 shipping with tracking from Toronto,
If your interested you can email me at [email protected]
D
 

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Discussion Starter #3
Thanks. I just want to make sure that's the source of my problem before buying. Don't know if you saw my last post on this issue, but here's what I've done to troubleshoot:

1) checked fuse #7 - OK (plus the heater fan works)
2) disconnected speedo cable from pulse generator and spun the pulse generator with a square bit in a drill (in reverse), with ignition on (and also car running) - speedo needle would not move
4) removed pulse generator from car and spun with drill while measuring for 12V with multi-meter between grey and black wires on connector -zero V
 

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Discussion Starter #5
Just curious as to how you tested the sending units to know they are good. This would help me to know whether my troubleshooting is good or not.
 
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