Code 33, AC Relay Circuit Open Shorted

[quote:04261eade0="dw8"]Dodge, Caravan, 1994, 75,000, 3.3L

Engine light comes on intermittently
when A/C is on. Restarting engine clears engine light for various lengths of time.

A/C works great.

Dumped a Code 33.

Cleaned relay and fuse terminals (appear to be aluminum rather copper).

Problem persists.

Searched TSB's titles this vehicle, but no specific mention this problem in title.

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Other than new relay (which I have doubts this is problem) any help appreciated.

Thanks
David[/quote:04261eade0]

Check if the circuit
had been changed
Or by passed.