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Shop/Category/Fig. 35 — IGNITION COILS, HORNS, RECTIFIER ZENER DIODE/Horn relay 33188 (6 RA)
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DiagramFig. 35 — IGNITION COILS, HORNS, RECTIFIER ZENER DIODE · ref 35
Subsystemfuel
Listed in parts books1969–1970

Horn relay 33188 (6 RA)

A horn relay (33188, 6 RA) that switches higher current to the horn so the handlebar switch doesn't have to carry the load.

PN · 99-1022

This is a horn relay, listed in the catalog as part number 33188 (6 RA). Despite showing up in fuel-system paperwork alongside carburetor listings, the figure titles make clear where it actually lives: it's grouped with ignition coils, horns, and the rectifier/zener diode, which is the electrical side of the bike, not the carb side.

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A horn relay's job is straightforward — it takes the low-current signal from the horn button and uses it to switch the higher current the horn itself needs, so you're not running that full load through the switch and wiring on the handlebar. That keeps the switch from burning out and gives you a stronger, more reliable honk.

Our catalog record ties this part to appearances across 1969 and 1970 listings, but we don't have more detail on it beyond that. Confirm fitment against your own wiring and horn setup before you order.

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