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LS short box · 12-05-2022, 05:45 PM

Just note. The ECM needs 12 volts in the start and run positions. Also the ECM needs a constant 12 volts. Two separate wires.

12-05-2022, 05:45 PM	#6
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 1,927	Re: 1949 chevy truck ignition switch Just note. The ECM needs 12 volts in the start and run positions. Also the ECM needs a constant 12 volts. Two separate wires.