Alternator - external regulator to Internal question April 08, 2015, 05:47:57 PM By the looks of the alternator connectors, the Thunderbird went to an internal voltage regulator sometime between '85 to '88. I want to switch to an '88 alternator but it has a plug connector shaped like below..._________|_|_|_|_|_|The '85 only has the small bolt studs to connect to for rubber protected wire end connections.Has anyone switched to an internal voltage regulator on their Cats or Birds? Quote Selected
Alternator - external regulator to Internal question Reply #1 – April 08, 2015, 10:48:18 PM Quote from: BradMph;446910By the looks of the alternator connectors, the Thunderbird went to an internal voltage regulator sometime between '85 to '88. I want to switch to an '88 alternator but it has a plug connector shaped like below..._________|_|_|_|_|_|The '85 only has the small bolt studs to connect to for rubber protected wire end connections.Has anyone switched to an internal voltage regulator on their Cats or Birds?Ford switched to internal regulator for '86 5.0, the 2.3 & 3.8 switched in '87...The 2G alts tend to burn up the battery connector plug... Research 3G install, which is the alt I'm using on my '88... Quote Selected
Alternator - external regulator to Internal question Reply #2 – April 13, 2015, 11:50:52 AM Quote from: TurboCoupe50;446912Ford switched to internal regulator for '86 5.0, the 2.3 & 3.8 switched in '87... That makes sense, my 86 3.8 has a 1G, my 87 Ranger 2.3 has a 2G. Quote Selected
Alternator - external regulator to Internal question Reply #3 – April 13, 2015, 05:43:02 PM Yep, most go to 3G. Lots of write-ups on it. Quote Selected
Alternator - external regulator to Internal question Reply #4 – April 13, 2015, 08:47:04 PM so what does the letter "G" mean anyway? Quote Selected
Alternator - external regulator to Internal question Reply #5 – April 13, 2015, 09:02:22 PM Quotejcassity so what does the letter "G" mean anyway? Maybe Generation? Quote Selected
Alternator - external regulator to Internal question Reply #6 – April 13, 2015, 09:48:25 PM Quote from: jcassity;447078so what does the letter "G" mean anyway?Dunno, never thought about it... If I had to guess I'd also say generation as in 1st, 2nd, 3rd...Likely there was no 1st generation till the 2G with internal regulator were released... Sorta like no such thing as 351W till the 351C was released... Quote Selected
Alternator - external regulator to Internal question Reply #7 – April 14, 2015, 09:57:36 AM They're up to 6G now on the newer cars. Apparently it's a relatively straightforward swap.http://forums.corral.net/forums/5-0-5-8-engine-tech/1358879-2g-alternator-6g-upgrade.htmlhttp://www.stangnet.com/mustang-forums/threads/6c-alternator-swap-for-79-93-5-0.866607/Personally I went with a One wire setup. Power master part #8-57140. It's designed to fit factory fox body brackets, so no notching. The kit came with 8 gauge wire. I upgraded to 4 gauge and a 200 amp inline fuse. My unit tested at 158 amps at full load. Quote Selected
Alternator - external regulator to Internal question Reply #8 – April 14, 2015, 10:24:34 AM Quote from: V8Demon;447082They're up to 6G now on the newer cars. Apparently it's a relatively straightforward swap.http://forums.corral.net/forums/5-0-5-8-engine-tech/1358879-2g-alternator-6g-upgrade.htmlhttp://www.stangnet.com/mustang-forums/threads/6c-alternator-swap-for-79-93-5-0.866607/Personally I went with a One wire setup. Power master part #8-57140. It's designed to fit factory fox body brackets, so no notching. The kit came with 8 gauge wire. I upgraded to 4 gauge and a 200 amp inline fuse. My unit tested at 158 amps at full load.Alt in that article sure looks like a 3G to me... AFAIK the 6G is PCM controlled, and most are going to be two legged to mount on a mod motor...http://alternatorparts.com/ford-type-3g-4g-6g-series-high-output-alternators.html Quote Selected
Alternator - external regulator to Internal question Reply #9 – April 14, 2015, 12:22:12 PM Hence the word apparently..... LOL. I'm not sure if there's something that can negate the PCM control or what. Quote Selected
Alternator - external regulator to Internal question Reply #10 – April 23, 2015, 09:46:06 PM I was cruzing and found this about alts. They make it sound easy by just ignoring wire harness on the 85 and just go as a complete install bypassing the old harness and just using the S, A, and I connections as far as I can tell.My stock 85 alt had the bolts in the back for connections. The 88 has a plug ad internal regulator which is much better for wire reduction. Quote Selected
Alternator - external regulator to Internal question Reply #11 – April 24, 2015, 11:16:12 PM Follow the sticky in the greatest hits section.I got a pigtail off of a crownvic and the bought a maxi fuse holder to use the factory 175 amp fuse i pulled off of the same car. I then bought a small 18" "ground wire" and 72" ground wire. The 72" goes to the alt and along the radiator support to my maxi fuse, then the 18" goes from the fuse to the starter solinoid. I used 6gauge and it looks factory. Quote Selected
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