Go here (Dave Shannon's great site):

http://www.homestead.com/volvo2/quickindex.html

..under "General" click on "replacing engine wiring harness".
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Bob (81-244GL B21F, 83-244DL B23F, 94-944 B230FD; plus grocery-getter Dodge minivan, MGB, and numerous old motorcycles)

Hello Jason,
My tip is to start at one point (from inside the passenger side) plug in the new wiring and unplug the old wiring at the item at the same time. Work your way forward toward the front of the engine.

you will be connecting to the battery, alternator, fuel injectors, and not in that order.

i did my 86 volvo 245 about 2 years ago. it takes some time but make sure the grounding, whereever it is, is connected.

not much help but make it simple.

i didn't get your wipers--too expensive and i've got plastic hdlight covers, too.

see ya later.

byron golden
near houston
86 240 dl wagon, 240k+ mi, oringal owner, still kicking strong
added: idp sway bars, p/w, p/heated side mirrors, full instrum, front bush, ball joints,etc,etc
later: new cloth seats, windshield, paint, rust repair, clean carpet, rear bush, radio-cd changer, etc, etc...

I did mine a few years ago. I ran the new unit next to the old and replaced a connection when I took one off. It was quite easy. When I was done I wormed out the old one. I haven't had any electrical problems since. The old harness was really nasty.
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Simon 80 240 296k 17 years.

hi there check the F.A.Q. pull down menu on the home page. or try this site if i remember right it is daveshan@cox.net