Re:obd0 to obd1 conversion harness excel files
 

Is there a write-up kicking around anywhere for going for a pr3 to a p28?

Re:obd0 to obd1 conversion harness excel files
 

how about these writeups: http://www.boosted.org/ecu/

also some questions about other wiring issues:
abvouisly i dont give a ---- about IAB's so dont need that wire
O2 sensor? bah for pussies (turn it off in UD)
knock sensor...dont have one (turn off in UD)
what about the VTEC oil pressure switch? *I DONT HAVE ONE* for whatever reason when i bought my PR3 head the VTEC soliniod didnt have one, like wasnt ever tapped by the factory... is there a way around this?

also another one that has been bothering me... how will i check CEL's? or know there is one? will the CEL on the dash work like a OBD1 car?

Re:obd0 to obd1 conversion harness excel files
 

thats a good question.. im also wondering about this

Re:obd0 to obd1 conversion harness excel files
 

I wired a harness in on a kids Teg and his pre-made harness had a wire from the harness that you were suppose to wire to a switch and then ground the switch to get the CEL's

Re:obd0 to obd1 conversion harness excel files
 

yeah if you look at the link i posted in the discription on the pin changes it says that you need to ground one with a switch or something to read codes. so i would assume that the CEL in the cluster would function like a OBD1 car at that point...

Re:obd0 to obd1 conversion harness excel files
 

yes, ground that wire w/ a on/off switch, when that wire is grounded the CEL will flash.

also, for the vtec oil psi, just jump the wires, it will think there's plenty of pressure.

but it would be wise to get a vtec sol that has the pres switch, it's a safetly feature (for the motor). and that motor is going to need all the help it can get with u drivin Dustin :P

Re:obd0 to obd1 conversion harness excel files
 

UberData is the ----! check out the ---- i can turn off/on:
VTEC
VTEC under 20mph
VTEC oil pressure check (disable)
VTEC coolant temp check
O2 Sensor (disable)
O2 senosr heater (disable)
knock sensor (disable)
speed limiter
and some other ---- i dont know what they do yet :) im gonna love this. this also means less wiring changes not a fan of wiring bunches of ----. i accually have my oil idoit light still hooked up....and a spare B18A1 block ;) so i should be fine...

Re:obd0 to obd1 conversion harness excel files
 

Crap I think I have a problem.... on the excel file, it says that the A14 slot on the OBD0 plug needs to be mated with the A8 wire from the OBD1 harness, is it just mine, but my OBD1 A plug doesn't have an A8 slot ???
http://www.newbieforces.com/files/MVC-035S.JPG

Re:obd0 to obd1 conversion harness excel files
 

I've encountered this on one of my two obd-1 ecu clips, both from 92 DXs. It should be a green wire w/ a yellow stripe. there's two of them. 1 @ a7 and a8.

sorry, thats all i know about it though.

Re:obd0 to obd1 conversion harness excel files
 

murdoc just cut your plugs up like I did, it's the cool thing to do.


which wire needs to be grounded on a switch to read cels? I see all this talk of grounding with switches and I don't see which wire it is.