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Re: Bad Thermister?
Posted by: Richard ()
Date: January 20, 2018 11:21AM

C7870

[www.corvair.com]

The wire has a braided high-temp insulation.

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Re: Bad Thermister?
Posted by: 66vairman ()
Date: January 20, 2018 12:44PM

Sir Thomas Wrote:
-------------------------------------------------------
> The tests described in this string are helpful.
> One question remains for me though, what size
> (gauge) wire runs from the thermister to the
> wiring harness?

Yes GM used 20 gauge, but the M&H harnesses use 18 gauge - it's more physically robust!!

A good tug on 20 gauge can damage or break the small cooper core. The 18 gauge core will tolerate rough handling during routing or repairs outside the harness.

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Re: Bad Thermister?
Posted by: Sir Thomas ()
Date: January 20, 2018 12:48PM

Thanks for the extra guidance. I'll use an 18 gauge to resolve my issue today, but have noted the C7870 as the long term wire to use.

Thomas Ratliff
Abilene, Texas (NEW transplant from Indiana)
'65 Fitch Sprint (very nearly completed)
'66 Monza convertible with EFI
ThomasMRatliff@yahoo.com

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Re: Bad Thermister?
Posted by: Lane66m ()
Date: January 20, 2018 01:21PM

Get with Clark's for the Vatrix system. It is in new items list, not in catalog last time I looked at it.

Al Lane
Ellabell GA

1966 Monza Coupe, 110 hp, 4 Spd
1968 Camaro SS Coupe 350 CI 295+ HP PG
1964 Greenbrier Deluxe, 6 dr, 80 hp car engine, PG
2015 Chevrolet Malibu 2LT
2018 Chevrolet Silverado LTZ Z71 Centennial Edition
1947 Farmall A tractor 15 hp


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Re: Bad Thermister?
Posted by: 66vairman ()
Date: January 20, 2018 03:53PM

Sir Thomas Wrote:
-------------------------------------------------------
> Thanks for the extra guidance. I'll use an 18
> gauge to resolve my issue today, but have noted
> the C7870 as the long term wire to use.

That short wire has the high-temp insulation needed for that area. Teflon insulated wiring can also tolerate a lot of heat.

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