Question about 2002 Chevrolet Silverado 2500HD
Fuel pump relay on a gas engine is located right side firewall behind a plastic panel.
Posted on Sep 06, 2010
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Posted on Jan 02, 2017
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Acura Coupes and Sedans 1994-2000 Repair Information
This relay is located behind the dashboard's lower cover. It consists of two individual relays. One is energized whenever the ignition is ON , thus supplying battery voltage to the Powertrain Control Module (PCM). This relay also supplies voltage to the fuel injectors, and power to the second relay. The second relay is energized for two seconds, when the engine is turned ON , to power the fuel pump.
See Figure 1
Fig. Fig. 2: PGM-FI relay terminal numbers
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