Trooper LS 2WD V6-3.5L (2001)
System Relay: Service and Repair
1. Disconnect the heater and the A/C relay (B-36).
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When removing the connector for relay, unfasten the tang lock of the connector by using a screwdriver, then pull the relay (1) out.
2. Check for continuity between the heater and the A/C relay (B-36) terminals.
