Difference Between 3240581-A and 32405-81B EVO Ignition Modules

[bobsemp]

Is there any FUNCTIONAL difference between ignition modules 32405-81A and 32405-81B? My 93 FLHTCU parts lists the B, but I don't see any "gently used" B models on EBay. Anybody got a clue?

Thanks
Bob

[14Frisco]

ignition modules 32405-81A and 32405-81B? My 93 FLHTCU parts lists the B

Did you mean -91A and -91B as opposed to -81A and -81B?

Is there any FUNCTIONAL difference between ignition modules 32405-81A and 32405-81B?

Don't know for sure, but likely not.  A change/update of the alphabetical suffix of a part number indicates it retrofits without change.

[bobsemp]

Yes, -91A and -91B ... fat fingers at it again...

[FSG]

Check the Parts Catalog at HD SIP

https://serviceinfo.harley-davidson.com/sip/service/document/273186

maybe the 32426-94 will be easier to find

[bobsemp]

yeah, not a 7 pin...

[Burnout]

Electronic tach output is the 7th pin

Tach
VOES
Coil
Power
3 wires for the sensor