BX Alternator Identification

Anonymous Poster · Mar 31, 2003

For anyone with the "upgrade alternator" on their BX, is the proper part number 15531-64013? Other than calling my dealer, how can I tell if I have just the standard dynamo? (Does anyone have a pic of the better unit...?)

I'm considering adding the alternator as I'm adding some "toys", like lights, and would rather have enough juice available up-front. TYIA

Anonymous Poster · Mar 31, 2003

If it helps, the price list has the

BX7310 High Capacity Alternator Kit $165

listed for all of the BX models.

I don't know what the "kit" includes, but I ordered my B7500 with the B7311 (for the same price) so I might be able to tell you when I get it. There is also a B7312 for the B2910 and B7800.

RET · Apr 1, 2003

I wonder if there's another alernator that could be used in place of the $165 'Bota upgrade? I would like to have more juice myself, But my need is not at the $165 level....more like a $65 level. Too bad there's no such thing as a tractor junk-yard (well, maybe that's a good thing....unlike cars, tractors last practically forever).
ret

Charliebrn · Apr 1, 2003

I'm wondering the same thing for the same reasons. Has anyone actually purchased the kit for the BX? I'd sure like to see what was in it along with details on installation. What we need is some volunteer to go out and buy it for us. Any takers????? /forums/images/graemlins/confused.gif

Anonymous Poster · Apr 16, 2003

Been gone a while- and I'm still awaiting delivery of my B7500. /forums/images/graemlins/frown.gif But I did see it, and even sat on it, yesterday. /forums/images/graemlins/laugh.gif

Well anyway, I snagged the parts list for the alternator upgrade, so I have attached a reproduction of it.

A few notes based on a brief conversation with the service manager;
<ul type="square">[*]The kit having been already installed, the box contained the stock alternator, a potted electronic module with about 6 leads ending in a white nylon connector, and a dipstick. There were a few small hardware items rattling around in the bottom of the box.
[*]The installation apparently involves enlarging one of the stock mounting holes. Because of this, the process is not reversible- you can't reinstall the stock alternator, although it might be possible to enlarge the corresponding hole and use the new, larger hardware. I'm not sure what the differences are between the various hardware items included in the kit and any stock hardware they might replace.
[*]"GAUGE, OIL" refers to the dipstick. The new larger alternator interferes with the stock dipstick, necessitating its replacement. However, the dipstick supplied in the kit didn't fit either. So they "modified" the stock dipstick, which involved bending it to clear the new alternator. I'm not sure if the "new" dipstick is any different than the stock unit.
[*] The new alternator utilizes a longer "V BVLT" (Yes it is spelled that way on the parts list), seemingly due to the different mounting location of the new alternator.
[*]The module I saw had been under the dash somewhere, and was apparently replaced by the "COMP.RELAY".
[*] There is no apparent interference with the hood or side covers, and without a side by side comparison gives the impression of a stock installation.
[*]The "FUSE SLOW BLOW 50A" would appear to replace the original "Slow blow fuse", the value of which is not specified in the B7500 manual.
[*] I don't know what the "ASSY WIREHARNESS" includes.
[*]The "INSTRUCTION MANUAL" was not in evidence, so I don't have a step by step description of the installation process. [/list]I hope this helps someone.