ok i swapped a zc vtec into my 88 hf
i was using the si harness and it wouldn't start and threw code 10 and 6
so today i put on my originaql hf harness and as i'm feeding some of the wires under the intake manifold i hear a zap like something blew
i couldn't figure out what did it because i always disconnect the negative battery cable
so i finish hooking up all the plugs and check my grounds and now there are no dash lights and no blinks on the ecu i dont even hear the fuel pump prime
the battery is fully charged
maybe its a relay?

thanks for your help

 

well if u dont hear the fuel pump priming thats the frist place i would check.to be honest i cant see how u can fry a whole harness.did u check the fues box under the hood hows every thing there?now i think u can fry the ecu u try changing it out for a knowen good one?try that then post back ill keep trying to help u can be nuttin major.

 

i tried a pr3 ecu that i know works
it did the same thing

 

My first guess is that you shorted out the ignition fuse. It's the fatty rectangular 50amp-or-so one by the passengers side strut in that box under the hood. Look in it and see if the metal is still good. If not, replace from any major auto parts store. I fried that one, and when I did, the only things that would really work were the headlights.

 

are u getting power the the under hood fuse box?