Electrical Equipment
Triumph Thunderbird & Thunderbird Sport · Electrical System · 26 parts · 2 on the shelf in Brea
Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.
Motorcycles this catalogue covers
Our parts team checks fitment against your motorcycle before any order ships.
Every part on this diagram
1
T2500086
Main harness
Qty 1
If the last 6 of your VIN are 111989 or lower
No longer supplied by Triumph
1
T2500171
Main harness
Qty 1
If the last 6 of your VIN are 111990 or higher
No longer supplied by Triumph
1
T2500086
Main harness
Qty 1
If the last 6 of your VIN are 111989 or lower
No longer supplied by Triumph
1
T2500169
Main harness
Qty 1
If the last 6 of your VIN are 111990 or higher
No longer supplied by Triumph
3
4
5
6
7
T2500172
Harness and switch kit
Qty 1
If your engine number is 46136 or lower
No date from Triumph yet
7
T2500164
Harness, Neutral/Oil Pressure Switch, 'C'
Qty 1
If your engine number is between 46137 and 46604
Triumph has stock
7
T2500166
Harness, Neutral/Oil Pressure Switch, 'D'
Qty 1
If your engine number is between 46605 and 71844
Triumph has stock
7
T2500164
Harness, Neutral/Oil Pressure Switch, 'C'
Qty 1
If your engine number is 71844 or higher
Triumph has stock
8
9
10
2500024-T0301
Relay, Indicator
Qty 1
Indicators ** Part No Longer Available **
No longer supplied by Triumph
13
15
17
20
21
Diagram and part data from Triumph’s own parts catalogue. Prices and availability are a dated snapshot, not a reservation. Fitment is Triumph’s data — send us the last six of your VIN if you want it checked before you order.
Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700
Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026.