orange trans.wire.
#3
Looking at a wiring diagram for a '67 Cutlass, which should be the same regarding the orange transmission wire of which you speak, the wiring diagram states that all wires are 18 gage unless otherwise specified and unfortunately the orange transmission wire is not otherwise specified and so would not be of adequate gage size to support feeding power to the HEI. I would use that 18 gage transmission wire to switch on a 20 amp relay wired with 12 gage wire to power the HEI.
#4
Looking at a wiring diagram for a '67 Cutlass, which should be the same regarding the orange transmission wire of which you speak, the wiring diagram states that all wires are 18 gage unless otherwise specified and unfortunately the orange transmission wire is not otherwise specified and so would not be of adequate gage size to support feeding power to the HEI. I would use that 18 gage transmission wire to switch on a 20 amp relay wired with 12 gage wire to power the HEI.
#6
Joe(s), I understood the OP wants to use the 9 amp fused orange 18 gage transmission wire to power an HEI, and tracing the circuit back to the source (energizer) not even a fusible link is shown. Is it possible that there is an overload breaker built into the ignition switch? Looking at the wiring diagrams for the other series vehicles and even the L6 wiring diagram, they all show fusible link protection in the circuit feeding the ignition switch, maybe there is an error in the wiring diagram for the V8 "A" body.
Last edited by 67OAI; April 24th, 2023 at 08:35 AM. Reason: Add info
#7
Joe(s), I understood the OP wants to use the 9 amp fused orange 18 gage transmission wire to power an HEI, and tracing the circuit back to the source (energizer) not even a fusible link is shown. Is it possible that there is an overload breaker built into the ignition switch?
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