Electrical Equipment
Triumph Bonneville · Electrical System · 60 parts · 4 on the shelf in Brea
Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.
Triumph lists this drawing for the Bonneville T120, Bonneville T120 Diamond, Bonneville T120 Bud Ekins, Bonneville T120 Black, Bonneville T120 Ace, Bonneville T100, Bonneville T100 Bud Ekins, Bonneville T100 BLACK, Bonneville T120 Black DGR LE, Bonneville T120 Elvis Edition.
Triumph builds more than one machine in this book and they do not all take the same parts.
Tell us which one you ride →
Motorcycles this catalogue covers
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Bonneville T100 Black
2017–2020
Our parts team checks fitment against your motorcycle before any order ships.
Every part on this diagram
1
T2503153
Main Harness
Qty 1
If the last 6 of your VIN are CV6740 or higher
Backordered at Triumph · we’ll confirm the ship date after you order
8
T2505277
Conduit, Stator Lead
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
16
T2505190
Moulding, Mount, OBD Connector
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
17
T2505272
Wire Guide, Stator Lead
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
19
T2504843
Moulding, Harness Retention
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
28
T2506140
Moulding, Bracket, Coils
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
30
T2505191
Sidepanel, Inner, LH, Mldg
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
31
33
T2506211
Kit, Battery, YTX12-BS
Qty 1
BR only
Backordered at Triumph · we’ll confirm the ship date after you order
36
T2505187
Bracket, Fusebox Moulding
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
44
T2509080
Moulding, Cable & Hose Guide
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
48
50
T2504202
Sidepanel, Inner, RH, Mldg
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
57
T2505178
Subharness, Throttle Type 2
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
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 Oct 15, 2026.