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Jeep Wrangler YJ
YJ General Discussion
Non starting after new thermostat and heater core flush
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<blockquote data-quote="deadpool1" data-source="post: 441128" data-attributes="member: 21229"><p>now we know the 2nd B is really B2, ECU input signal to fire the coil.</p><p>B1 must be 0vdc, (meter neg lead to battery minus lug) 0vdc to B1. here.</p><p>CKP may be bad. if ICM is good and all wiring good and coil not bad and if has horse shoe connector and is bad.</p></blockquote><p></p>
[QUOTE="deadpool1, post: 441128, member: 21229"] now we know the 2nd B is really B2, ECU input signal to fire the coil. B1 must be 0vdc, (meter neg lead to battery minus lug) 0vdc to B1. here. CKP may be bad. if ICM is good and all wiring good and coil not bad and if has horse shoe connector and is bad. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Non starting after new thermostat and heater core flush
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