NN ID 10-Wire Piezoelectric Siren/Alarm

A partially disconnected combo siren/alarm unit was found between the fuel tanks on a '96 Harley-Davidson Heritage Softail Classic ('FLSTC', aka 'BJ' Model) motorcycle produced for the Canadian market.

All I have to go by in the way of alarm unit markings are: TAIWAN PAT. NO. 46902  U.S.A. PAT. NO. 4979219.

The 2-button remote has 1 red LED, the buttons are marked Roman Numeral 'I' and 'II' respectively and below the buttons is marked 'ON/OFF'.  The PCB inside the remote is marked: 'ON/OFF'  '1403-96A'  'RM-O-1' (with stylized RM characters)  '96-17'.  The remote uses a 'PT2262' '9551' controller IC and an 'Eveready Energizer No. A23 12V' battery.

I realize this alarm unit and remote date back to 1996, however, I'd still like to turn up some literature on it if possible and see if I can restore functionality.  Only problem is, I got no idea what a couple of the circuits are for or how to test / operate it.

Alarm unit wire colours are as follows:

Black / Brown / Brown / Yellow / Red

Grey / Blue / Orange / White / Green

There is a Bosch 12V  20/30A  0 332 204 150 relay wired in to turn on (or flash?) all 4 turn signals with relay term. 86 provided a path to ground through the alarm unit's yellow wire.

The alarm unit's brown wires (2) form a part of the starter button circuit.  White is spliced into the ACC. term. of the ign. sw., green goes to a 9mm slug-sized sensor (motion?), red to constant 12V+ and black to ground.  The blue and orange wires have simply been cut off short and the grey wire was left long but sealed at the end with shrink-wrap.  I have no idea what these last three are for.

I'll try to upload images.

Any help identifying this sucker would be greatly appreciated.  Thanks, FFF

Hmmm ... my photos are not displaying for me ... each are less than 30KB but all three total 60.4KB.

Evidently not allowed.  Oops ... my bad.  FFF

Well, I've hooked the alarm all back up using a 10 amp ATC Standard blade style fuse for the Bosch relay power (12V+ to relay term.'s 30 & 85 - the four turn signal lamps total load operated by the relay is said to be 9.0 amps per the H.-D. Service Manual) and was able to detect an audible click (the Bosch relay? or something inside the alarm unit itself?) as power was restored to the m/c (by re-attaching the NEG battery cable to frame ground bolt).

I played with both remote buttons while the alarm was powered up but could not get any responses (but may have armed the alarm without realizing it ... ?).  Then, somehow, I tripped the alarm as I was undoing the NEG battery cable to frame ground bolt (at least now I know the siren works and the alarm and relay act to flash all four turn signal lights at once) ... the alarm eventually going silent as soon as I got the NEG battery cable clear of the frame ground.

After a brief interval, upon re-attachment of the NEG battery cable to frame ground, once again I could hear a click as power was restored and, once again, tripped the alarm and siren only as I was taking the ground away as described above.

I've been able to determine the numbering scheme of the alarm's 10-position harness connectors:

Black 5 / Brown 4 / Brown 3 / Yellow 2 / Red 1

Grey 10 / Blue 9 / Orange 8 / White 7 / Green 6

but that's about all else I've learned.

Can anyone offer me a clue as to how to test the operation of this alarm ... vis-a-vis the two remote buttons?

TIA ... FFF

Well, just in case someone ever comes to my rescue here, I'll update my progress with this thing some more.

With my instrument cluster, ignition sw., ect. restored so that the m/c electrical system is complete, I've managed to obtain feedback from the alarm with the remote.  Every push of either button ('I' or 'II', doesn't seem to matter) gets an alternation between one click / flash of all the turn signals and two clicks / flashes of all the turn signals.  The system is armed after the one click / flash and disarmed after the two clicks / flashes.

I may have put the alarm into some kind of alternate operational mode by pressing and holding both remote buttons ... I got a series of clicks / flashes, so, released both buttons.  After a brief pause, the system went through a series of clicks / flashes on its' own (as many as five?).

The system still functions primarily as described earlier, only now, I have noticed that after about 5-10 seconds (?) the alarm is one click / flash auto-arming itself - after I have intentionally disarmed it (with acknowledgement in the form of two clicks / flashes) with the remote.  I am not positive this is a new development since holding both buttons pressed, but think so.

Can anyone offer up any ideas about what different modes the alarm may be capable of being programmed to operate under?  I'm not keen on this auto-arming business ... if I can get it to simply arm and disarm via the remote, with no other feature(s) cropping up unexpectedly, I'll be content to use it as is.

Well, more for my own record than anything else, I'll continue to document my progress ...

I've now figured out that if I disarm the alarm, turn the ignition ON (or to ACC - same diff., as the alarm's white wire [ignition sense wire?] is spliced into the ACC lead - which gets power in either the ON or ACC positions per the H.-D. S.M.), then arm and disarm the alarm while the ignition is still ON, the ignition can then be turned to OFF and the alarm system won't auto-re-arm itself.

I've now also determined that the tilt sensor switch (with green alarm wire attached, previously described as: "green goes to a 9mm slug-sized sensor (motion?)" is NFG and have sourced a new mercury switch (kinda bulky) to accomplish the same task until I can source a unit that is similar / identical to my non-functional tilt sensor switch.

I could still really use help identifying the alarm unit in order to search out the literature for it.

TIA ... FFF