[DeTomaso] What Water Temp sender do I need? (Was water temp gage)

[Asa Jay Laughton]

Mike,
The TS6153 has a resistance range of 15.2-19 ohms
The TS6628 has a resistance range of 22.7-25.5 ohms

A big difference when it comes to indicating on a gauge.  That's why
your gauge is pegging.  Try the TS6628, you should see a much closer
reading.  Or, as an alternative put a 7 ohm resistor in series; the
proper sending unit is the better choice.

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************     
http://www.racingagainstautism.com
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On 8/10/2014 5:52 PM, Mike Thomas wrote:
> That's worth a try.  The one I got from NAPA is an Echlin, but the TS6153,
> likely calibrated differently.  Getting closer!!  
> Mike T.
>
>
> -----Original Message-----
> From: Stephen Nelson [mailto:steve at snclocks.com] 
> Sent: Sunday, August 10, 2014 5:35 PM
> To: 'Mike Thomas'; detomaso at poca.com
> Subject: RE: [DeTomaso] What Water Temp sender do I need? (Was water temp
> gage)
>
> I just went through a calibration effort on my gauge, found the original
> sender was toast.  Asa recommended an Echlin TS6628 back a year or so ago.
> I found it worked perfectly with my gauge.  Dennis at Panty Perf indicates
> that sender works with both styles of water gauge.
>
> Hope that helps.
>
> Stephen Nelson
>  
>
>
> -----Original Message-----
> From: DeTomaso [mailto:detomaso-bounces at poca.com] On Behalf Of Mike Thomas
> Sent: Sunday, August 10, 2014 5:29 PM
> To: detomaso at poca.com
> Subject: [DeTomaso] What Water Temp sender do I need? (Was water temp gage)
>
> Ok, so as another diagnostic try, I put a new temp sender in, even though
> the old one seemed to be producing the correct ohms.  Well, now the gage
> works, but it pegs before the thermostat starts sending water to the
> radiator.  When I was running the car before, water flow seemed to be
> normal, the fans would come on, just no gage reading.  Now the gage hits 230
> indicated before I can feel hot water at the rad.
>
> Wondering if I bought the wrong sender, and it's sending the wrong signal to
> the gage.  I asked NAPA for a temp sender for a '72 Mustang 351 Cleveland,
> they gave me part number TS6153.  After the first observation of this, I let
> the car cool enough to pop the cap on the pressure bottle, and raised the
> back of the car to be sure there were no air bubbles in the system from what
> little coolant came out when I swapped the sender, though I realize it was
> draining from right around the thermostat.  It just seems a little Murphy
> that my thermo might have quit just as I finally see a reading on the gage.
> I ran it again with the butt in the air, same gage reading.  Will let it
> cool and check once more if there was a bubble and I need to add coolant,
> but . ..  . ?
>
> Your thoughts?
>
> Mike Thomas
> VP, POCA
> VP, Panteras Northwest
> Yellow '74 #6328
>
>
>
>
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