Originally Posted by
vaper
I'm not positive on the 4.2 but there should be a starter relay on the passenger side firewall that sends power to the solenoid on the starter. Follow the harness up from the starter and you'll find it.If that relay is failing you will not get signal power to the one on the starter.
So now I'm confused. Is there a starter solenoid and a relay mounted on the passenger side firewall.
The part I replaced was on the passenger side firewall. It was called a starter solenoid. Atleast thats what the parts store called it.