Is your ECU LED on when car is off?

[zachattack_5491]

I'm having electrical problems in my s13, and now I'm paranoid about everything. Real quick, go outside and look at your ECU with the car off. Is the LED on?

[MR.chris]

Nope

[PyR0NiAk]

No

[zachattack_5491]

Wow, that's great. I can't wait to rip through miles of wire to find the problem.

[PyR0NiAk]

Wow, that's great. I can't wait to rip through miles of wire to find the problem.

Or you could order a new harness from Wiring Specialties..

[zachattack_5491]

Well, I would love to do that if I was rollin in cash

But the problem is in my chassis harness somewhere. My ka ecu did the same thing. I just need to replace the engine bay, dash, and cabin harnesses all together.

[PyR0NiAk]

Well, I would love to do that if I was rollin in cash

But the problem is in my chassis harness somewhere. My ka ecu did the same thing. I just need to replace the engine bay, dash, and cabin harnesses all together.

I recently added the ECU pinout to the SR FAQ links... It might help you in at least figuring out what wires you should trace.

[USMCgetsome]

well this is a lil easy. check to see if that wire is supposed to be a 12vdc constant signal or switched. i'm assuming it's 12vdc due to it keeping the memory stored. if not then u might want to do the ecu code check with the cal screw in the back. see what comes up!

[OM3GA]

If you're tired of problems get a new harness. Email me when you are ready [email protected]

[zachattack_5491]

I just pulled all of the harnesses and I'm checking all the circuits individually. Tedious work, but it will be worth fixing my 100s of electrical problems.

[Street_Science]

The led is usually an indication of internal ecu failure, sometimes a continuity issue with wiring,,,,

Fyi the ecu led with my "lol deep fried" ecu illuminates when installed, when I install the other ecu's the light disappears....

[zachattack_5491]

The led is usually an indication of internal ecu failure, sometimes a continuity issue with wiring,,,,

Fyi the ecu led with my "lol deep fried" ecu illuminates when installed, when I install the other ecu's the light disappears....

Well that is good info, I've never heard that. But mine was for sure a wiring problem. I went through the harness, fixed all my connections and circuits and everything is fixed. I feel like I'm driving a new car.