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Replacing the ignition control module on the 1990 GMC k1500 GMT400 Part number for ignition control module: ACD# D1943A GM# 19179578
Housing Used OEM https://amzn.to/2OtC1vP Shaft used OEM https://amzn.to/2LNbdo9 Pickup Coil used OEM https://amzn.to/2LQ0sRM Setting Timing https://www.youtube.com/watch?v=y5NuS-G-cKI Reusing the old housing https://www.youtube.com/watch?v=p669oEntN88 I planned on rebuilding the distributor on my truck, but the NEW housing was no good so I reused the old one. These same procedures are necessary when replacing the pickup coil, distributor gear, […]
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If it is a TBI , throttle body injection 305 or 350 it should have a AFS 74 oxygen sensor. The issue Code 45 https://www.youtube.com/watch?v=ZfRvzdsBmq0 battery Bolts https://www.youtube.com/watch?v=R4ZS3yGQJjg
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