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Old 12-05-2021, 11:41 AM   #95
pjmoreland
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Join Date: Jan 2005
Location: CA
Posts: 5,334
Re: 700R4 TCC Wiring

I've started the permanent installation of the Arduino controller. The three wires from the transmission TCC will be routed through the firewall bulkhead connector. I removed the engine harness and added these three wires to it along with some new wiring for an electric fuel pump (oil pressure switch, override from starter, fused power from alternator). I wrapped the starter and temp sender wires with temperature resistant Tesa cloth tape.

The next step is to add the three corresponding wires to the other side of the bulkhead connector inside the cab.
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