Alternator Wiring Question (another)

[Tad]

I know some of you have collected quite a lot of the TSM's for a variety of years, I was wondering if anyone has one for a 1970 Wagoneer?
If so could you please look something up?
I need to know the color codes for the wires on the back of the alternator.
Now I know that I have a wire labled "BAT", that's a nobrainer.
I also know that I have a ground to the case, another nobrainer.

What I am left with is two wires coming from the voltage regulator that connect to the alternator.

One is gray (could have been white at one time) and connects to the VRwith another gray wire the traces back into the harness heading into the cab.

The other is green with a white stripe.

I need to know...
Which one hooks to the "RELAY" terminal.
Which one hooks to the "SENSE or FIELD" (not sure which wording Jeep used) terminal.

Now this all assumes that a kindly PO did not change any of the wires and or colors.
TIA, and yes I have the core for a 10SI 1 wire upgrade, just have a little too much cash involved with the engine swap right now to get it exchanged and need to get this thing moving along.

[Tad]

sniff, sniff, anyone?

[joe]

Tad is this for the stock Motorola regulator? If so the book(69 TSM) shows the regulator having a three wire female plug that goes to the harness and the wires ending up at the alt with the Black to the grd terminal, Green to the field terminal and a Red going to the aux terminal.
I'll email you a couple of pics from the 69 book(Buick motor right?) that may or may not help.

[Tad]

-joe
Thank you kind sir I will greatly appreciate it.

[LRRH]

tad...

i probably have pencil diagrams :cool: at home from when I changed mine in August. I had the same crappy one you've got with the external regulator. should be a motorola 40 AMP right?

i'll look for it tonight when I get home from work.

[Tad]

-joe,
The diagrams were the key, thank you very much. Knowing which was the former "Field" terminal sets the other "Relay" wire (although a different color) apart. It's not exactly the same (this has an Eshlin VR, same 3 prong plug) but gives me a better guess than what I had to go on initially.

LLRH,
I taged and coded the existing wires and alternator prior to removing it, my problem arrises from changing from that whimpy 40 amp, external Delco alt to the 63 amp Delco off the Skylark. This is necessary to maintain the two belt H2O pump/Alt/AC set up on the Sklark 350. The older delco setup would not line up any place, even If I shimed it out it would mean 1 belt for the H2O pump/Alt/AC, not an ideal situation for even minimal driving.

My next alt delima will be finding a 10 or 12 SI internal alt with the 2 belt setup to mantain the origanal Skylark belt setup. I know pulleys can be swapped over, I tried removing the original pulley and destroyed the nut, pulley and shaft, that baby was frozen as none I have ever seen.

[Stolen76]

Did you hit the nut with an impact ? They pop off the 21si's pretty easy with a 1/2" gun ! You can hit summit or jegs for a 2 groove pulley, they're pretty cheap. Last I looked an 85 amp Delco w/ 2groove was around $85

[AzFrank aka Desertson]

Hey tadsal,
I went down to Auto-zone and for $20 in parts I re-built my alt.It was a 67amp now its a 80amp. The 80amp alts are the same armature and windings as the 67amp, its the dio-trio,rectifier bridge etc that are different.Sure beats $85 for a new one.

[LRRH]

i don't have AC so I don't have a double pulley. I was able to get an alternator from a newer AMC that fit perfect and only required a different belt.

wasn't able to locate the diagram last night but I will look again tonight if you're still interested (PS...not that you would care, but it's cold in the garage!!!).

[Tad]

Originally posted by LRRH:
...I will look again tonight if you're still interested (PS...not that you would care, but it's cold in the garage...Save you body heat, -joe emailed me the diagram. Thanks again folks, another one solved, exhaust done and almost ready to put in the rad and fire this baby up.