| Also known as | 573825 |
| Diagram | Fig. 27 — STATOR, TAIL LAMP AND STOP LAMP SWITCH · ref 17 |
| Subsystem | electrical |
| Listed in parts books | 1960–1965, 1967–1968 |
Grommet
A rubber wire grommet used in Triumph tail lamp and related wiring harness figures from 1960-1968.
This is the 57-3825 grommet, a small rubber part that shows up repeatedly in the electrical wiring figures for the tail lamp, stop lamp switch, headlamp harness, and speedometer/tachometer setups. It appears across a run of catalog listings from 1960 to 1968, which tells you it saw duty on a number of different wiring layouts through those years rather than being tied to just one figure.
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A grommet like this does the job you'd expect: it seats in a hole in sheet metal or a lamp housing and lets a wire lead pass through without chafing on a raw edge. Given the figure titles here, it's most likely associated with the tail lamp lead specifically, based on other catalog references we've seen for this same number.
It's a simple part but an easy one to overlook when you're chasing an intermittent short or a wire that's rubbed through where it exits a housing. If you're rewiring a tail lamp or rerouting a harness through the same fitting, it's worth checking the condition of the grommet while you're in there. The catalog record doesn't spell out exact dimensions or material, so if fit matters, have the old one in hand for comparison before you order.
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