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I know you can test a 6 volt temperature gauge with a 9 volt battery. How do you do it? What are the specifics? I've searched and found some threads on the topic but nothing specific like what terminal goes where, etc.
I have a little D cell battery holder--like for an Erector Set--if you can relate to that. It has little + and - terminals that makes it easy. I can't remember if polarity mattered. Just try it both ways and you'll soon know. Good luck. I messed with my gauge trying to adjust it and ended up wrecking it. They are very delicate and easily destroyed. Be careful. A new gauge costs $65 if memory serves.
Yesterday I partially removed my instrument panel. After taping both the argent bezel around it and the edge of the dash, I still scratched paint off of the bezel. I put in an NOS temp gauge I bought.
Long story short, the new guage still showed Hot after turning on the key.
So the problem must lie with the sending unit. NAPA couldn't find one. Neither could Advance Auto.
Does anyone have a part number for this sender? I'm sure Ford used the same one for many years.
Your run of the mill parts chain will not have the 8A-10884 temp sender you need in stock or in their supply chain. You will need to get it from a specialized shop such as Dennis Carpenter, Mac's/Ecklers, Shoebox Central, C&G Ford etc etc....
Have you tried the new gauge with the D-cell? I'd be curious what it reads.
No, I did not, Ross. I will do that to the one I took out. Thanks for the part number.
Originally Posted by bmoran4
Your run of the mill parts chain will not have the 8A-10884 temp sender you need in stock or in their supply chain. You will need to get it from a specialized shop such as Dennis Carpenter, Mac's/Ecklers, Shoebox Central, C&G Ford etc etc....
Yes, I'll have to do that. I was hoping I could get one locally.
Question: shall I drain coolant down to that level or can I make a quick change before too much coolant pours out?
I've done the quick change without a complete drain on the flatheads.
I ordered a temp sending unit from Mac's/Ecklers. It was supposed to have the double prong on it. It came with just a screw.
I had my son do the quick switcheroo because his fingers are more nimble and agile than my arthritic and numb fingers. He did it with very little loss of coolant.
I drilled out the double pronged contact from the old sender, drilled out the hole larger to accept the screw and put it on the new sender.
I turned on the key and the temperature gauge went the whole way to cold. Before it went between ¾ hot and full hot.
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