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1970 RH Head temp sensor Q?

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Old Feb 16, 2009 | 05:23 PM
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Default 1970 RH Head temp sensor Q?

Transferring stuff from my 1970 350/350 to new ZZ4. On the 70's RH (pass side) head there is a sensor (3/8 pire thread) with a 2 prong connector. This is not the temp gage sensor as it is on the LH side and I have transferred it.
Is this related to the heater or what?
Thanks.
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Old Feb 16, 2009 | 05:44 PM
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Originally Posted by FKING1
Transferring stuff from my 1970 350/350 to new ZZ4. On the 70's RH (pass side) head there is a sensor (3/8 pire thread) with a 2 prong connector. This is not the temp gage sensor as it is on the LH side and I have transferred it.
Is this related to the heater or what?
Thanks.

Thats the temp sensor for the dreaded TCS system. If you don't have, or know what it is, you don't need it.
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Old Feb 17, 2009 | 05:36 PM
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Originally Posted by dennis
Thats the temp sensor for the dreaded TCS system. If you don't have, or know what it is, you don't need it.
Thanks.
Have no idea what the TCS is.
There is a connector (2 prongs) that was on the original 350/350.
I installed the sensor and connector.
Hope I did not make trouble for myself.
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Old Feb 19, 2009 | 02:57 PM
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Originally Posted by FKING1
Thanks.
Have no idea what the TCS is.
There is a connector (2 prongs) that was on the original 350/350.
I installed the sensor and connector.
Hope I did not make trouble for myself.
Technically its a thermo switch for the TCS system. One connector for low temp the other for high temp


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Old Feb 19, 2009 | 04:54 PM
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Did some research on this TCS (Transmission Controlled Spark System). It is a link between the tranny and spark vacuum advance. It disables the vacuum advance in reverse and at low forward speeds, The temp sensor in the RH head also disables it at a coolant temp less than 93 and greater than
232.
Since my new Tremac 5spd. has no connection for the TCS wire, am not going to fret about it.
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