6066 (1960-1966) GMC Truck Club - Correct water temp sensor and thermo for 305

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jbgroby

November 13th, 2016 01:53 PM

Correct water temp sensor and thermo for 305

I'm most likely going to change my thermo and sensor, can someone post the correct parts numbers ? Thanks. Jake

FetchMeAPepsi

November 13th, 2016 02:14 PM

Re: Correct water temp sensor and thermo for 305

For the temp sensor I cant give you an OEM part number, but if you have to upgrade to the newest one it's part number ECH TS6469 at NAPA and you'll have to install a 33 ohm resistor in the line just after it to make it read right. The resistance of the new sensor is off by 33 ohms.

TJ's GMC

November 13th, 2016 03:01 PM

Re: Correct water temp sensor and thermo for 305

So THAT's why my temp reads way to high! :lolsmack2:

jbgroby

November 13th, 2016 04:52 PM

Re: Correct water temp sensor and thermo for 305

I have a new ez wiring harness, I check with ez, but I suspect it's made up for it.

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