From: J. Lee (milveh@sbcglobal.net)
Date: Wed Sep 18 2002 - 14:13:53 PDT
Howdy guys, I am putting the finishing touches on a tug I rebuilt. Looks
great and it now has a 1990 Chrysler 2.5 4 cyl. with EFI. That part is all
fine.
One problem: I am overwhelmed with wiring from the new engine and can't
figure out how it all works!
Cripes this thing has at least 60 wires coming out of the computer in the
airintake that sits seperate from the airfilter. There a bunch of little
wires on the EFI and I have zero idea what any of them do, except the o2
sensor! I got a wiring diagram for a 1990 Chrysler Shadow, which is what
this came out of, least that is what the wrecker's wrote on the body, but
the wire colors don't match up??? Possibly the wiring is slightly
different, maybe its a late 1989 model or early 1991 and they changed, but I
can tell you it does not match the 1990 wiring colors!
Anyway, now I am considering going to a single throat carb, maybe like a
Solex and dump all the fancy wiring computer stuff? KISS principle. I'm
thinking this might a whole lot easier in the long run, although the EFI was
all set up with the airfilter, wiring harness, etc., I just can't figure out
which wires to pull and my mechanic who is helping says he can only figure
out a few things, but without a diagram he is sunk too. If we keep the EFI
system I have to buy a more powerful electric fuel pump, probably one that
pumps at 45-50 lbs.
Which way would you go?
Shall I keep searching for the right wiring diagram or scrap about 200 fine
wires, computer, fuel pump and injection for one basic carb? You know this
is not a streetable vehicle, so smog does apply here.
Thanks,
Jack
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