i do not have any voltage at fuel pump connection
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1999 Cadillac Escalade Question: no fuel pressure pump pressure
Answer #1raiderron June 01, 2011, 05:26Master
Suspect fuel pump relay. Found online:
Initially, the vehicle’s battery should be disconnected and once you get rid of the battery, you should be able to find the Fuel Pump Relay positioned in the forward compartment, beside the drivers junction block.
The sub-terminal block should be unlocked to locate the fuel pump relay. You need to take away the FP relay from its position. You can find the locking clip for blue terminal in the junction block and remove that. The female FP relay should be removed using a tool to remove the terminals.
Now, you may insert the new replacement part in the position of the older one. The terminal pins should be re-inserted too. The blue locking clip should be re-installed, and the male pins associated with the FP relay should be twisted to some extent.