On my cable, I didn't use a diode or a resistor. Just soldered the comm wire to both TX and RX, and the ground to ground.
On my cable, I didn't use a diode or a resistor. Just soldered the comm wire to both TX and RX, and the ground to ground.
1990 Chevrolet K2500, RCLB, Blueprint 383 TBI (16197427 ECM / 61 lb/hr / 16 psi FP), NV4500, NP241C, 4.10
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