I got a 91 civic, recently converted to a manual. My ecu is throwing a code 20 because iam using an 88ecu. i have an 88 fuse box to put in but i have a little problem. The 88 ecu has an extra plug/harness for the eld. 90-91 civics dont use the eld. So in order to install an 88 fuse box with a functional eld id have to find the plug for the eld (if 90-91 civics even have them) or run wires to hook it up (which i dont really want to do). if anyone has done this b4 or has any ideas id appreciate it Id show a pic of what i mean if i knew how to insert a pic lol

 

any one?

 

ur stuck on this one man, no one will have an answer on here, look for the online CRX shop manual and check the wiring diagrams

 

if i were you i would just get a 91 fuse box

 

u mean 91 ecu?

 

wait, i was confused and it was 3am when i posted, but besides the point are the 88 ecus different then 91?

i dont know they might be besides the point that u cant chip them, i doubt they are different..

not sure though, free bump

 

They are different. in 88 they used an eld in the fuse box, in 90-91 they didnt use the eld.

 

I would look for a 90-91 ecu. They can be found pretty easily and aren't expensive. I picked up a 90 pm6 ecu a few months ago for 50 bucks shipped.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 91_HB &raquo;</TD></TR><TR><TD CLASS="quote">They are different. in 88 they used an eld in the fuse box, in 90-91 they didnt use the eld.</TD></TR></TABLE>

HUH!? all USDM civics had ELDs, right? i have a 91 and it has a ELD. just dummy up a rester ladder so the ecu gets a voltage and dosent thow a code.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DieMaster &raquo;</TD></TR><TR><TD CLASS="quote">

HUH!? all USDM civics had ELDs, right? i have a 91 and it has a ELD. just dummy up a rester ladder so the ecu gets a voltage and dosent thow a code.</TD></TR></TABLE>

Correct they all have the ELD, just in different locations.

 

Im not even gunna bother anymore, im converting to mpfi in a couple of weeks and the ecu is a '91, so everything shuld work.... I hope