Re: {Chrysler 300} temp senders / gas tank senders

On my 70, full would be 10 ohms, middle is 23 ohms and full is 10 ohms.

I'm not sure if the earlier cars are the same, but if I had to guess, I'll bet it is.

I use a resistor "decade box" to check gauges. Sometimes you can find a decent used one for not a lot of money on eBay. Easiest way I have found to do it.

John

On Tuesday, November 30, 2021, 12:05:37 PM EST, John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:

Anyone have any idea of normal min max of the various senders ? I know gas tank from 60-62 something like 10 ohms full 80-90 empty , the correct thermal style gauge temp senders must be same — as thermal gauges are identical in dash 60-62 , but gauges used in 57-58 ( and ? 59 ) are differential wound coils in the gauge , so no regulator needed , but senders for those might be higher ohms ,

I have a lot of mopar temp senders can’t tell if same or not across those years .

Ford senders look the same but usually larger thread 1/2 and higher ohms too ( 400 cold , ) mopar seem about 150 at room temp 100 in hot tap water .

This is all related to aftermarket gas tank senders seem to never be right .... would like to get to bottom of this so not having all the fun of gas tank in and out , or run out reading 1/4 , ,,, or reads empty but takes only 12 gallons etc etc . Or temp gauge never comes up enough in 57- 59 .

Input obviously welcome on any of this

Sent from my iPhone not by choice

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Re: {Chrysler 300} temp senders / gas tank senders - ohms