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Home >> Volvo >> 1985 >> 740 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH (Turbo) >> Fuel System Inspection >> Pump Relay

Pump Relay

Ground terminal 21 to complete main relay circuit. Ground terminal 17. Pump relay should activate fuel pumps and pumps should start operating.

Connect voltmeter between ground and terminal 18 in 20-pole connector, next to right "A" pillar. Meter should show battery voltage. Disconnect ground leads.

Separate connector at right "A" pillar. It is black retainer containing three connectors: 20-pole, 11-pole, 8-pole.