Voltage Regulator Change on Ford 4610

Jerry/MT

Well-known Member
The voltage regulator on our 1981 Ford 41610 went out on us and overcharged the battery,ruining it. I went to our local auto electric shop and the owner had a voltage regulator that attached directly to the existing alternator and made the connection with it. The only thing I had to do was to get the ignition switchable wire from the firewall and run it to the new regulator. The regulator was $32 and three feet of wire and a spade connector and we were back in business. This is a pretty easy fix for anybody that has problems with their charging system and has a regulator that is remote from the alternator. in our case our wiring was all kluged up by the original owner who broke a battery and had the acid destroy the main harness connector.
 
Piggy back regulator. Automotive guys have been using them for years on older Chrysler?s that had a pcm controlled alternator.
 
I"ll try to get a picture and post it. It"s a metal box with wires that attach to the appropriate terminals on the back of the OEM alternator and then a single wire from the key switch. I used the key switch wire that was on the OEM regulator that had failed.
 
Sorry about the picture but the loader frame is in the way and I wasn"t going to unbolt the cowling to get a better view. You get the idea though. the yellow wire is from the key switch and the rest of the wires are underneath the box and attached to the appropriate terminals on the alternator.
cvphoto4103.jpg
 
I could have saved myself a world of trouble if I would have done this several yeas ago but I didn"t even know these types of alternator mounted regulators existed.
 
I didn't know those existed for those Motorola alternators either. I can't tell from the pic, but does the regulator have terminals on it that slide directly onto the back of the studs/terminals on the alternator?
 
There are no "snap on terminals, Bern. There are three short wires that you put spade terminals or ring terminals on to attach to the connections on the alternator. The regulator is held onto the alternator by a pair of screws that fit into existing holes in the alternator body. You can see one of the attaching screws in the picture.
 

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