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Control Pressure Regulator - '82 240

Hi Bruce, yeah it's me again. Same problem, new questions. I had a few hours to tinker today, & since you're my only resource to bounce my findings, here's what I found. In tracing the mysterious "short" of the blue wire on the CPR, I pulled the connectors off the aux. air valve (no change), both fuel pumps separately (no change) & the FI relay (no change). What I found is that if I put my ohmeter on the black connector in the FI relay harness, it "shorts" to all the other wires in the harness except the solid Red. There's 2 Yl-R, 2 Wt-R, 1 Bl, 2 (I think) Bl-R. I'm sure you're familiar w/it. I used the Bentley manual to follow the wires & compare routes, etc. So, seeing that no fuses are blowing, like you mentioned this isn't a "hard" short condition. I guess we call it a soft short? I can't think that this condition is normal, so the next question is where do these wires go in common? The only change that I found was when I pulled each wire off the ignition coil, then the Wt-R wires didn't short to the Bk connector. I pulled every fuse with the audible ohmeter on & there was no change from 1 to 16, still a short connection tween Bk & whichever other color I tried. I got interrrupted by life, so didn't finish the process. My next direction would be to look toward the ECU. (I think this CI system has that, right?) The main brain that controls everything. Logical? I'm also majorly short on "disposable" time, but would like to keep the buggy out of the shop ($$$$) if possible. So, as usual, any suggestions or advice you have are very welcome & appreciated. I like your explanations & approach to issues, as I've read on the board. I don't know what the <, & +> or such things that you added to your response mean. Thanks again, amigo.

todd






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New Wiring fuel pressure regulator - '82 240
posted by  teedubb  on Sun Feb 6 06:29 CST 2005 >


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