I had a similar problem with my CPR valve...the wires inside were burnt and broken. The wires are "spot-weleded" to the connectors... the wires are fused to the connectors and not soldered. I've tried repairing mine with teflon coated wire and was disapointed...the electrical was working (after repairing it) but the actual mechanical valve did not work...it was jammed. I bought a rebuilt unit from Carparts.com for $150, might want to look into it. Steve