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if it were factory wiring,then ECUMAN prob right,but it your case prob more wiring fault,u should post some more details with question next time.

if dead main relay then u prob have no ignition...

just reset the ecu & see if the code returns

i cant remember how OBD0 codes flash,but i got a vague recollection of a quick flash at the beginning of every code string,maybe im wrong,but u could...

hey john,just a suggestion,maybe simplify the title of the thread or put some more user friendly tags too it.

u got 71 on a '89 LS???

u upgraded to obd2???

what ecu & do u have crank sensor installed?

WTF!!!!!!!!!!!!!

Holy crap,this should be stickied to every tech section of every honda forum that ever existed.

At least sticky it to the top of the DIY section,it would be easier to link up...