I'm working with ford expedition 2000. I only have a momentary negative on fuel pump relay after switched on.but when I cranking...the fuel pump relay now working because it doesn't have a steady negative signal on fuel pump relay. Any ideas how to locate where should come the negative signal from for the fuel pump relay?
Great help
About to troubleshoot now
I'm working with ford expedition 2000. I only have a momentary negative on fuel pump relay after switched on.but when I cranking...the fuel pump relay now working because it doesn't have a steady negative signal on fuel pump relay. Any ideas how to locate where should come the negative signal from for the fuel pump relay?