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Home >> Dodge and Ram >> 1988 >> 600 L4-135 2.2L SOHC Turbo >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Main Relay (Computer/Fuel System) >> Description and Operation
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Main Relay (Computer/Fuel System): Description and Operation

1988-89
When no ignition signal is present with ignition key in Run position, there is no need for fuel delivery. When this condition occurs, the ASD relay interrupts power to the electric fuel pump, fuel injectors and ignition coil.

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