Elecrical Issues

[skyman]

ok guys

some background first... i got epa'd....

i have a s1 r33 gtst, before i went to the epa i re-installed the std turbo+ecu+injectors+air flow metre ect ect and started her up. all working fine. took it for a test drive no more then 500 metre and she just died on me(no smoke no sounds). i tried to start her again and nothing... tried again and she started fine so i drove home,

kept the car running for about 30 min with no strange signs.

next day i drove to epa (about 45min) and passed.... no more then 5 min after i left it happened again but this time she wouldnt start (tow truck home)

ok so...

-the engine cranks

-all fuses are fine

-dont get fuel pressure (fuel pump fine)

-windows dont work

-none of the dash warning light up

-turbo timer does no light up

-alarm works

-radio+lights work

any ideas would be great

[Sumo]

Sounds like a power supply problem.

Check the connections at the battery, check the earth point in the boot, give it a clean with a file if you want to be sure.

Then have a look at the earth points on the engine block. Check out the power supply cable on the starter and the connection going to the fuse panel. Then you can start doing voltage drop tests, from the battery to the starter etc. It can even come down to a crook end crimped onto you main power lead.

Cheers

Sumo

[Craved]

ok so...

-the engine cranks

-all fuses are fine

-dont get fuel pressure (fuel pump fine)

-windows dont work

-none of the dash warning light up

-turbo timer does no light up

-alarm works

-radio+lights work

any ideas would be great

<{POST_SNAPBACK}>

red -- you sure about this one ... if you dont get fuel pressure then the pump is not getting power .. this is controlled via the ECU ..

do the lights on the dash go on when you turn the key??? like the engine light and oil light etc come on when cranking..

mine shuts of for 1 second when turniong mine over after putting the power FC in. then come on and it starts!

the turbo timer shouldn't come on til your key turns to acc.

[skyman]

hey sumo

ill be checking all the conections tomorow. (but the head lights and radio work)

why wouldnt the windows work?????? or the turbo timer????

that stuff isnt connected to the ecu is it...???

i have a feeling it could be the ecu or a short somewhere along the power lead (as you stated) or both...

[skyman]

craved

i have a fuel press gauge so yes im sure and u can normally hear the pump when key is on acc.... but this is not happening at the moment.

the lights on the dash do not come on (key on acc) or while cranking

and turbo time doesnt come on when key is in acc possition either...

is there any way of checking if power is going into and out of the ecu???

ill be putting my pfc back in later on this week,

[skyman]

i found the problem today..

faulty wiring behind the ignition barrel....