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koates · 02-05-2021, 12:44 AM

Well I would think that the very first thing to do is test the voltage at the battery at rest and then while cranking the engine. Or better still have the battery load tested by placing about 300 plus amps load on it while measuring the voltage. Even if the battery is new it should be load tested. After establishing that the battery is good you can move on further along the circuit and voltage test. Regards, Kevin.

02-05-2021, 12:44 AM	#5
koates Senior Member Join Date: May 2010 Location: Melbourne Australia. Posts: 2,079	Re: Lost voltage to coil while cranking Well I would think that the very first thing to do is test the voltage at the battery at rest and then while cranking the engine. Or better still have the battery load tested by placing about 300 plus amps load on it while measuring the voltage. Even if the battery is new it should be load tested. After establishing that the battery is good you can move on further along the circuit and voltage test. Regards, Kevin.