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Old 10-09-2012, 07:54 PM   #3
Russ Jerome
Scooby Newbie
 
Member#: 255397
Join Date: Aug 2010
Location: Milwaukee WI
Vehicle:
2003 Multiple

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Front o2 heater code low input, battery voltage to heater is KOEO at 12+ volts, ECM ground apears weak at 6v with DVM at o2 connector at strut tower.

Simply need pinout for heater ground supply from ecm (that apears to be ecm means of monitoring heater function thru amp draw).
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