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Guess the part (hint: I think it's to do with the Ammeter)
#1
There's a little "what's-it?" mounted next to the voltage regulator/starter relay.  I can trace the wires from it, but I don't really know what "it" is.  I pulled it because I couldn't get the bolt tightened for the wire leading to under the dash (and I suspect its for the ammeter; yes, I have the gauge package) and when I did, I see it's buggered up and bent.  No wonder.  It appears some PO forced a too small nut, bending the post in the process.

It is located on the inner dash fender, near the voltage regulator, just beneath the starter relay (see photo) and is the smaller nut & wire on the right of the junction. That wire leads directly to a cluster of wires passing through a grommet on the firewall. On the left of the junction (the bigger nut) one of those two larger wires comes directly from the alternator (the other disappears into the wiring harness).  

This what's-it? in the lower right shot of the photo is labelled on the left half "Fasco" in the 12:00 position, "BAT" in the 9:00 position and "12--V" in the 6:00 position.  On the right half at 12:00 "Type 1110", "AUX" in 3:00 position and "A.--20" in the 6:00 position.

I need to know what to call it (a part number would be even better!) so that I can order a replacement... if such a thing exists.

My guess would be it's ammeter related and so if it's temporarily omitted won't affect anything but the gauge.

[Image: for-Ammeter-maybe.jpg]
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#2
That looks like a circuit breaker BUT it does not look like a factory one
There would be one for cars with convertibles and / or convenience group options
It just doesn't look right if I remember correctly
I'll go look at a couple of cars or harnesses tomorrow

The FASCO is the brand name
bat is power in,
aux is power out
20 is the 20 amp rating
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#3
(02-13-2020, 07:26 PM)OMS Wrote: That looks like a circuit breaker BUT it does not look like a factory one
There would be one for cars with convertibles and / or convenience group options
It just doesn't look right if I remember correctly
I'll go look at a couple of cars or harnesses tomorrow

The FASCO is the brand name
bat is power in,
aux is power out
20 is the 20 amp rating

Thx - web searches for that brand & part number showed its a circuit breaker, and the labeling I sorta figured. I hope you find a better version.

Yes, is a convertible with the convenience group options.
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#4
This almost *looks like* mine, but doesn't have the plastic partition between the two posts, and the posts are both the same height.

From: https://www.delcity.net/store/12V-Auto-R...9.h_198847


[Image: 72302-primary-450px.jpg]
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#5
I found one close looking to yours on a 73 harness  car had tach dash , rear window defrost
It feeds the auxiliary power wire, on the harness I have.
Also marked Fasco type 110   one post is taller than the other
Looks to be original.
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#6
My '71 Mach 1 has that little breaker. According to Midlife Harness it is for accessories like the convertible top and defrosters. My car has none of that so I deleted it.

If you ain't learning, you ain't living. 
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