TCC wire? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-17-2009
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TCC wire?

wich wire from the pcm controlls the torque converter lock up. Mitchell says it is pin 54 but when i tapped into it and put in a fuse power to my swich (the swich is a light up swich) the fuel pump turns on without the swich being on.
im really starting to not trust mitchell.
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Old 11-17-2009
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It is pin 54 but it works by grounding.
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Old 11-17-2009
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ya i know it works by grounding but im still confused by why the fuel pump would come on.
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Old 11-17-2009
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If you apply power at PCM pin 54, it's back feeding through the TCC solenoid and fuse 41 to the fuel pump relay.
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Old 11-17-2009
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oh thx ill try a different swich
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