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Isuzu Truck
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1998
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Trooper LS V6-3.5L
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Repair and Diagnosis
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Heating and Air Conditioning
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System Relay
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Testing and Inspection
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Heater, A/C, Thermostat and Compressor Relay
Heater, A/C, Thermostat and Compressor Relay
1.
Disconnect relays and check for continuity and resistance between relay terminals.