Ive replaced everything i can think of and i still have no power to my fuel pump.i have a 1996 suburban.cheverolet 4 by 4
5 Answers
You would need to determine if power is getting back to the fuel pump at the connector or power line. I think is is a grey wire. May be a ground your missing. I assume you replaced the relay.
enginecreator answered 7 years ago
Pin 1 24pin black connector = Fuel Pump Relay. Look on Page 4 on this web page, url below copy & paste it to new browser window.
enginecreator answered 7 years ago
http://troubleshootmyvehicle.com/gm/4.3L-5.0L-5.7L/pcm-connector-pin-outs-1996-1997-page-1