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Old 06-28-2011, 10:23 PM
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Power top not responding.

My street rod has a convertible top motor that is either a Chrysler or Gm pump (they all look the same to me). It was working until I pushed the switch (I assume) the wrong way. Now when I push the switch in either direction all I hear are clicks from the relays beside the pump. These relays (joined together by a copper strap) have Diode stamped on their case and are Mopar. Apparently they are from a Chrysler convertible '85-95. I know they are relays and not diodes, but I'm not familiar with them. Are the relays shot or has the pump hit the dirt? What would one have to do to test the relays or the pump?

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Old 06-29-2011, 08:11 AM
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Maybe look for a limit switch, if it were a relay and because they operate in each direction just swap them for a quick check. I doubt that they would have the exact same problem.
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Old 06-29-2011, 05:37 PM
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Pump shot!!

Thanks for the advice. Did just that and still clicking. And so I disconnected everything and ran power straight to the motor, one way and the other. Sparked something terrible and so I took the motor apart. Brushes? What brushes? There wasn't anything left and there was an oily, black residue all throughout the motor. I imagine that the pump had been leaking, got into the brushes and did them in. Now where could I get the parts to rebuild this pump?
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Old 06-29-2011, 06:41 PM
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restoration guru ?

My son found a place to rebuild a top mechanism from a 65 buick , I thing it was about $ 250 you can probably check out some restoration web site or check out Kantors they do a lot of restoration parts.
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