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Re: First time swap started
My setup will be similar. I have dual condenser fans wired through relays with power supplied via the compressor relay. So, a/c on, fans on. My assumption is that using the ECM to control the compressor with allow for WOT a/c cutout and avoid idle dips when compressor clutch cycles. I have a "secondary a/c high pressure" ECM signal wire I cannot remember what to do with.... I retained the cycling switch and the switch in back of compressor in my donor wire harness. My '71 clutch wire will pass through a high pressure switch before connecting to A/C request of the ECM.
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