1986 Xjs Jumping Fuel Pump Relay at gantpisitejjblog Blog


1986 Xjs Jumping Fuel Pump Relay. On the digital p system anyway (i dunno about the d jetronic), the fuel pump is controlled by the efi ecu via a relay in. Often the fuel pump needs to be run when the engine is off on a jeep cherokee.

How to jump your fuel pump relay Fuel System SpecE30 Community Forum
How to jump your fuel pump relay Fuel System SpecE30 Community Forum from spece30.com

If i jump the fuel relay the pump will run regardless the ignition position. I've gone threw all the voltage tests at the relays and jumped the pump at the green and white relay on the firewall and can hear it. No pump action… both relay get permanent main.

How to jump your fuel pump relay Fuel System SpecE30 Community Forum

No pump action… both relay get permanent main. There is a relay in the trunk through which the efi controls the fuel pump. Often the fuel pump needs to be run when the engine is off on a jeep cherokee. I've gone threw all the voltage tests at the relays and jumped the pump at the green and white relay on the firewall and can hear it.