Operation CHARM
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Nissan-Datsun Truck
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1989
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Pathfinder 2WD V6-2960cc 3.0L SOHC (VG30i)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Main Relay (Computer/Fuel System)
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Description and Operation
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Polarity Protection Relay, ECM
Polarity Protection Relay, ECM
The safety relay, located in the R.H. kick panel, is utilized to prevent damage to the ECU in the event the battery is connected in reverse.