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#1 |
Registered User
Join Date: Oct 2005
Location: Dover Delaware
Posts: 270
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What is this and how is it hooked up? I think i may have the wire for this in my 72 swb. Does this system get power for a brown/white wire on the engine harness?
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#2 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,527
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Re: Transmission Controled Spark
TCS uses a speed switch in the transmission and an engine temperature switch to control a time-delay relay mounted on the inside of the firewall near the horn relay to turn on and off a solenoid valve that disables vacuum advance to your distributor.
Power is supplied by a brown/white wire that comes from the square fuse panel connector. Two wires plug into the TCS solenoid valve (mounted on the intake manifold): brown/white & dark blue. The brown/white and the dark blue wires then run through the firewall to the time-delay relay. A black wire runs from the time-delay relay back through the firewall and connects to the transmission switch. A second dark blue wire runs from the solenoid valve to a temperature switch mounted in the passenger side head. |
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