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Old 04-03-2011, 02:30 PM
Al E. Gator's Avatar
Al E. Gator Al E. Gator is offline
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The problem isn't in the controller, it's in the wires or trailer connector at the back. Best bets are a bad seal to the connector wiring allowing water intrusion or damage to the wiring between the connector and the firewall. Damaged wires is more likely if you off-road or have driven over road debris. Have the dealer test the trailer wiring (not the controller) including spraying water on the connector area if necessary.
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