Re: [Chrysler300] 300D temperature sender

[Bill Huff <czbill@xxxxxxxxxx>]

Had a similar problem with a '91 Grand 
Wagoneer.  Turned out the sender was designed for 
a gauge needing twice the resistance as the 
original, even though the numbers 
interchanged.  Car always ran really cool according to the gauge.

Bill Huff



At 1/8/201105:21 PM, Tom Chvapil wrote:
>
>
>Hello everyone and Happy New Year.
>
>Finally got the 392 fired up, and after 20 
>minutes at 2500RPM (Isky cam break in, as per 
>manufacturer and my machine shop), everything 
>was still in place and sounded great. What a relief.
>
>But, I realized that my temp. sender, which I 
>just got from a local store, doesn't seem to 
>correlate with my gauge. It is OK when cold, but 
>at 105 it is half way up the scale, and at 115 
>degrees it is pegged at hot.....so, I am 
>assuming that the gauge is OK. (I measured the 
>temp at various points with an infrared 
>thermometer, and after warming up, even after 
>the 20 minute fast idle, it was still at 175.)
>I tried adding a resistor, in the form of a tail 
>light bulb, and that brought the reading down 
>back onto the scale, about 3/4 way up on the gauge.
>
>Does anybody have any suggestions as to this 
>idea (adding some resistance into the circuit), 
>or would it make more sense to get a correct sender?
>
>I was assured by NAPA that the sender they sold 
>me is the correct one, but I am not so sure. 
>Does anybody have one, or a part number for one.
>As always, any advice will be greatly appreciated.
>
>Thanks,
>Tom in sunny Tucson
>(Nice to be warm again, after our cold spell, 
>which brought the temp at our place, just 
>outside of town, to mid teens over new Years day 
>and busted a 1 1/2" galvanized pipe from our 
>pressure tank to the house....lots of fun dealing with that....
>
>


[Non-text portions of this message have been removed]



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