Heater grid , what triggers soleniod ?
12-08-2011, 05:27 PM
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Heater grid , what triggers soleniod ?
Been trouble shooting grid heater . Grid Ok , solenoid Ok as well as all connections . When I ground small lug on Sol grid heats up . Simply put where does the Solenoid get signal from ? Is there a fuse somewhere ?
12-09-2011, 08:08 AM
#2
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Signal from PCM, more correctly, PCM drags the coil to ground.
Not sure if the 95 follows the 97, but on 97's, PCM connector C1, pins A9 is relay # 2 control, and C1, pin A7 is relay #1 control.
Check you air intake temperature sensor, that is what I believe tells it it is cold enough to fire.
Not sure if the 95 follows the 97, but on 97's, PCM connector C1, pins A9 is relay # 2 control, and C1, pin A7 is relay #1 control.
Check you air intake temperature sensor, that is what I believe tells it it is cold enough to fire.
12-09-2011, 10:31 AM
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Everything you need to know about the grids> http://dodgeram.org/tech/dsl/trouble...niford_htr.htm
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