Hit A Snag! Need A Wire Color Quick!

[crash-harris]

Fuel pump priming circuit works great, but apparently the Red with Green tracer wire I tapped on the driver's inner fender for switched ignition power (for the fuel pump safety switch via oil pressure switch). I can't seem to find a wire under the hood that's only hot with the key on, other than the at the wiper motor plug and that's seeing led than 12V with the key on.

I have the safety switch wired like this to trigger the fuel pump relay. Everything is right other than the ignition switched 12V power.

http://www.how-to-build-hotrods.com/electric-fuel-pump.html

 

[MOWOG]

I wired mine off the glow plug controler as I recall. One of the lugs has key on power.

 

[crash-harris]

I thought about that, but does it stay on all the time with the key on?

I thought it was only on while the GP's were heating. Maybe my brain farts are the culprit here...

 

[MOWOG]

It worked fine for me, but you could test it out to confirm there is power after the glow plugs have cycled. I don't remember which one it was... sorry. I think that's where the injection pump solenoid gets key on power. It's been a while...

 

[crash-harris]

Riotwarrior just called and I had a face palm moment. The oil pressure sender that triggers my pump relay is almost touching the wrote for the FSS

Tearing back into now. Thanks Al!