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Old October 7th, 2008, 19:12   #48
Veteran Member
Join Date: Jul 2004
Location: Bend, Oregon
Default Group 16

Group 016 (additional heater)

Generator loading
Additional heater
Activation of heater elements
Voltage supply from ECM

Additional heater display is 8 digit number where, left to right, 1 =
ECT sensor inoperative
engine started within the last 10 seconds
engine speed below 870 rpm
battery voltage below 9 volts
generator inoperative
ECT exceeds 70 C-80C (158F - 176F), or intake air temp exceeds 5C (41F)

Activation of heater elements is a 2 digit number. Left digit = 1 when high heat output relay is on. Right digit = 1 when low heat output relay is on.
OK, so I had a flashing battery light tonight. I checked this group and first I had something like 20-some% loading and 14.3X supply voltage.

I had no flashing light at this time.

I shut off the engine then checked voltage: 13.2V. I then restarted engine and still no flashing battery light, but now I was at 99.X% loading and 12.1V.

I'm thinking grounds or regulator. What think you?
Can rent movies at BlockBuster.
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