- related to: d+ terminal on alternator replacement
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If you disconnect the D+ wire from your alternator, your charging system will and will not charge dependingon a few variables and circuit situations. Let's get some explanation on the functions of D+ first.
original alternator and attach it to the D+ terminal of the new Bosch alternator. 6. Attach the original B+ cable to the B+ terminal of the new Truck Harness Plug NOT USED 1 X2 Two Wire Connection without Tach D+ Terminal B+ Terminal Truck Harness Plug NOT USED 1 2 R X Three Wire Connection with Tach D+ Terminal Tachometer (W) B+ Terminal ...
The D+ terminal is therefore a duplicate output terminal of the alternator, with less current capability. The lower set of diodes on current track 80 is common to both the D+ and B+ functions, and forms the ground return for both the B+ and D+ outputs.
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OUTPUT TERMINAL NUT! [FIGURE 4] 12SI ALTERNATOR HEXAGONAL DELCO REMY 11SI REPLACING A BOSCH K1 ALTERNATOR [Figure 5] Identify and tag the output (B+), “D+”, "W” leads, which are identified on the end frame, and optional ground lead when removing the K1 alternator (Note: The “W” and ground terminals may not have been used).
Yes, I have 12v on the B+ terminal. D+ terminal ius the terminal to excite the field and there is no voltage. I have traced it back to the console and the red wire on the alternator D+ somewhere changes to brown. Th only wire on the battery light are 2 browns under the filiment terminal od the bule.
The terminal marked b+ is the output, the terminal marked d+ goes to the charge light, the terminal marked w is the tacho connection) this presupposes your alternator uses the conventional markings. Www.allfordmustangs.com 3 wire gm alternator wiring diagram internal regulator source: However, my alternator does not have d+ or df: Step #10 ...