1988 tbi harness wiring/plug questions

[MO LS Noobie]

yeah I've got a couple of them with plugs I snatched from other cars and will go that route if I cant stick with the oem pre-wired relay.

on another note. I have this diagram I found as well:
0996b43f80231a25.jpg

A6 (pink/black) is switched ecu power. is B1 (orange) constant power or memory power? do these computers retain constant power? YES, "ECM B" FUSED B+

and do I need to worry about whatever the hot fuel module is? I want to say I dont as I think that just power the oem dash gauge?? CORRECT

I see how the starter has a purple/white coming from it going to the ecu. purple/white at the ecu is B5. do I tie into this? NO, IGNITION SWITCH "S" TO STARTER PRPLE WIRE. P/W WIRE IS FEED TO ECM FOR CRANK SIGNAL.

I also see the purple from the ignition switch. I assume that is the "ignition switch on" position WRONG, SEE ABVE. so I would tie from the ignition switch to all of the following: pink at coil, A6, B1 right?

"ECM 1" is only hot in start/crank. Make sense?

[stackz]

"ECM 1" is only hot in start/crank. Make sense?

Yeah I get that,I can't tell if the hot in run by ecm b is for that or the hot fuel module. If it's not then that would be 10a memory power

[MO LS Noobie]

Keep Alive, Memory Power, B+ all mean it is fused battery positive.

Hot in run/crank is the ignition/injector power that is only hot with key in crank or run position. Not ACC or OFF.

See reply above with in quoted text IN ALL CAPS.

HTH, Jeff

[stackz]

Keep Alive, Memory Power, B+ all mean it is fused battery positive.

Hot in run/crank is the ignition/injector power that is only hot with key in crank or run position. Not ACC or OFF.

See reply above with in quoted text IN ALL CAPS.


HTH, Jeff

Thanks, didn't even notice you modified the quoted text on my phone lol