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B1070–REAR BLOWER CONTROL CIRCUIT HIGH (ATC) (CONTINUED) 5. CHECK REAR BLOWER MOTOR RESISTOR BLOCK FOR CAUSE OF HIGH AMPERAGE DRAW Turn the ignition off. Remove the 20 amp fused jumper wire from the (C153) Rear Blower Reconnect the Rear Blower Motor Resistor Block harness connector. Connect a 10 amp fused jumper wire between ground and the (C152) Start the engine. The rear blower motor should run with out blowing Turn the ignition off. Remove the 10 amp fused jumper wire from the (C152) Rear Blower Connect a 5 amp fused jumper wire between ground and the (C151) Rear Blower Low Speed circuit in the Rear Start the engine. The rear blower motor should run with out blowing the fuse. Does the rear blower motor run with out blowing either of the fuses? Yes >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. No >> Replace the Rear Blower Motor Resistor Block in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. HB HVAC - ELECTRICAL DIAGNOSTICS 24 - 285 |