I Need Help With My MS 1

[vabreaker20011]

Thanks Alot Its All Do To Your Help!!!!

white/dark green?
Wheres the fuel pump fuse?


Hope J.R. dosent Get mad i posted this!

[therieldeal]

there is an inline fuse at the pump itself, in the wiring harness

[vabreaker20011]

ok got you!
where dose the white/drak green wire come from?
under the dash?


Thanks For All The Help!! You Both Have Made This Alot Easier For Me To Figure Out!!!

[Lex]

What I was referring to is that main 30Amp fuse - the one at the actual pump is not blown for sure.

I'm sorry my responses are such a rush, trying to write them at work.

The relay works like this: MS grounds out the light green wire which allows electricity to flow through the white/red through the inductor coil. This closes the switch linking white/dark green wire in the diagram to the black/pink wire. This switch (inside the relay) is what turns on your fuel pump. The white/red and light green wires are only used to turn on the switch inside the relay - and that switch is what turns on the fuel pump. So by shorting out the white/red with the black/pink you are bypassing the relay and turning on the pump that way but it's safer to go through the relay due to the higher current draw of the pump.

I hate to put a shameless plug in here but I've done a lot of troubleshooting for people buying MS units elsewhere and I have to say that if you buy the unit from then you won't have any of these issues and full support.

[vabreaker20011]

What I was referring to is that main 30Amp fuse - the one at the actual pump is not blown for sure.

i just put a new 30 amp fuse under the hood well its one from the junk yard i have 10 of them now to swap around lol never have to many when they are $35.00 each

so im guessing the main fuel pump relay is no good!!! i have 2 but none work

[Lex]

before jumping to that conclusion check that white/dark green wire with the key on. Does it show battery voltage?

[vabreaker20011]

ill have to check tomorrow, when i get off tonight i have to go and Dj a Carnival!!! dam# i really want to work on it tonight!! but i love making money lol

[vabreaker20011]

i cant find a White/ dark green wire to save my life.........the main color is white? where is it at?

[vabreaker20011]

ive looked in the wiring harness that j.r. made ive looked under the hood i dont know i just cant find this White/Dark Green wire!!! im in need of help please!!!!!

[therieldeal]

did jacob just like stop helping you entirely?

[vabreaker20011]

i was told to check the M.S. manual.......i figured that he would jump in on this thread.

but i really cant find a white/d.Green wire. i see it in my engine schematic but not in the car!!

The schematic says it comes out of the "EGI Module" whats this?

[vabreaker20011]

Is this Where The White/Dark Green Wire Is? (inside the Fuse box?)

[vabreaker20011]

This Is The Plug I Have Under The Dash....It Has 10Pin's And No White/Dark Green Wire

Now This Is The Plug That Was On The Harness That I Got From A 95 Escort Gt

It Has The White/ Dark Green Wire

So this has Me Lost Even More??????????????

[jacobrussell]

sorry i didn't know about the thread Ive been busy

ok have you resolved the issue with kpa readings? if not have you copied the easy therm files to he car folder?

also if the fp is not coming on then either the FP relay is toast or the fp is dead or the extra fuse ford added as a recall ad don to the fp harness might be popped (its under the rear seat if you have one)

if you ground the light green wire on the FP relay you should hear the fp come on
if it doesn't then you need to test to make sure you have voltage on the FP relay plug (aka circuit opening relay) (do both of these checks key on)


hope this helps let me know if you need more infomation or youve tired this

[vabreaker20011]

The kpa Comes Down around 40 or so when the car is running (with a hot wire ran to the fuel pump)

The light green wire in the fuel pump relay is putting out 12v with the key on......should i still ground it to see if the pump comes on?

if i jump the the white/red and the black/pink the fuel pump comes on.