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Russell James · 12-11-2014, 10:27 AM

GM has a bulletin to use Dielectric grease part # 12377900 on ECM connectors. It should work good.

12-11-2014, 10:27 AM	#7
Russell James Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009 Location: Mich Posts: 4,482	GM has a bulletin to use Dielectric grease part # 12377900 on ECM connectors. It should work good.