I have just bought a new internally regulated 35amp alternator to replace my old one with the external voltage regulator in my JDM 1976 B211 with an automatic choke. I have read the detailed information in the tech wiki and am still worried about which jumpers go where on my block with 6 pins. Electrics simply scare me so any clear advice based on the attached pic would be most welcome. Sorry if I'm rehashing old ground.

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  B211 alternator wiring.JPG (41.36 KB)

IR Alternator Conversion Wiring

In the conversion:
* jumper connects Y to W
* jumper connects WB (white/black) to WR (white/red)

This is for the Hitach LR-135 or Mitsubishi A1T22971. Other internally regulated 35amp alternators are wired differently

By the way, the wires colors listed in your photo are the same as B110 wire colors

I thought I would send pics of the old alternator for reference as I have had some problems. One of the jumpers (yellow to white)has drained my battery. I suspected something when connecting them made a clear relay click when the engine was not running. I'm guessing that the automatic choke heater has been running full time. When I tried to jump start it this morning it wouldn't even turn over until I removed that jumper. Running fine now but I suspect that the choke isn't working which will hurt when winter kicks in.

Any advice?

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  old alternator connections.JPG (118.24 KB)


  old alternator side script.JPG (104.22 KB)

Yes, that's a Hitachi LT135, Nissan part number 23100-U0102

Which is the new alternator you're replacing it with?

Thanks so much
I think I bought a Motorteile 44641392559
the ebay ad below

http://www.ebay.co.uk/itm/35181197644 ... geName=STRK%3AMEBIDX%3AIT

states equivalence with 0986032651 0986034311 0986035411 12109, 12827077200 12827077201 14231 203152, 204117 204194 227103402 2310001B00, 2310001B05 2310001B10 2310001B15 2310003B00, 2310003B05 2310006T10 23100B9800 23100B9801, 23100B9802 23100B9805 23100B9810 23100O1B15, 23100U0114 2506 28100B9810 3444, 436505 436507 441399 5309, 726261001 9051114 9051135 910423, 910424 943346059010 943356937010 A1T02871, A1T22071 A1T22971 A1T22975 A1T23377, A1T24371 A1T24571 A1T31377 A1T32471, B310M01B15EX DRA2431 DRA2651 DRA4311, DRA5411 GE0118300

Yes, it has a Delco Remy DRA5411 rebuild sticker

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  SL connector.jpg (24.30 KB)


  DRA5411.jpg (134.02 KB)

The L terminal goes to the dash Lamp. It can be wired directly via a new wire, or using the existing harness

1200/B210 Harness


The F wire (colour WB) goes up to the Voltage Regulator connector. There it may be jumpered to the Lamp wire (colour WR)




The other terminal on the alternator is the S wire. It is meant to be connected to BATTERY +. Preferably via a wire the same length as the BAT feed wire (thick W wire), but can also be jumpered to the B terminal on the alternator (that's how most tractors are wired)

Does your car have 4-terminal choke relay or a 6-terminal version? Probably located behind the coil on the right strut tower (under the larger box)

6-terminal is used with BRAKE warning lamp -- though many B210 have only a blank spot for this

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  B210 cluster.jpg (12.78 KB)


  cluster.jpg (15.11 KB)

Quote:At the Voltage Regulator connector, White is the Battery Sense wire. Yellow goes to the T-connector head terminal (which feeds S terminal of the Mitsubishi alternator)

Which also feed the Choke Relay. Let me think about how to solve the problem ...