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View Full Version : Rb20 swap no spark, dash lights stay on.


Linux2501
11-19-2013, 09:21 PM
Alright here is my situation.
Car:93 Auto S13

Bought an rb20 from an importer,Bought a complete upper and lower harness from Wiring specialties. So here is my problem. I have a installed the upper and lower harness. and I got it to turn over. I am getting what I believe is fuel. I need to do a pressure test on the fuel line. but there arent any vac lines besides the turbo wastegate and the mbc, I am just trying to get it to start to make sure everything is working right. The maf is a j60, I have change plugs. I am going to check the coil pack. I am also going to check my cas.

But here is the weird part:

My car when the key is off the Brake, Door, Engine light, and seatbelt light stays on. when I look at my ecu both lights are on, I cannot find out why the lights are on Ive tried a diagnostic mode, they go out when I try and start the car but come back on when i turn it off, So I must have a constant somewhere where its supposed to be switched. I have not done anything to the car other than that, I am going to look in the fsm for the grounds that would be related to what I have done.

Any suggestions to any of my problems
I have checked all the grounds possible but When I take out the engine cont fuse the lights go out when I switch the car off ...

I have tried a few things but if anybody has any Idea of whats going on let me know please.:bow::bow:

Con-city_s13
12-04-2013, 03:26 PM
I had a similar issue with my auto s13 rb20 swap, and I also have a wiring specialties harness. Do you have the auto conversion portion of the harness plugged into the lower harness?