Search found 2 matches

by RalphC
Fri Sep 19, 2014 5:31 am
Forum: Operation
Topic: Configuring user output to control the fuel pump relay
Replies: 3
Views: 4896

Thanks for the replies. I found a way to implement toga94m's idea. There's a tab on the starter solenoid that is +V only when cranking. It used to bypass the ballast resister when cranking. I wired it through another relay so it now grounds the fuel pump relay. I think my OEM fuel pump relay might b...
by RalphC
Mon Sep 15, 2014 7:04 am
Forum: Operation
Topic: Configuring user output to control the fuel pump relay
Replies: 3
Views: 4896

Configuring user output to control the fuel pump relay

I finally installed the MegaJolt I purchased a couple years ago. The biggest problem I'm having is getting my fuel pump to turn on. It's installed on a 1977 320i which has a fuel pump relay triggered off the tach wire. Even though my tach was working fine, the relay wasn't. I read up on how to get t...