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Electrical Equipment Bonneville

Triumph Bonneville · Electrical System · 31 parts · 4 on the shelf in Brea

Exploded parts diagram — Electrical Equipment Bonneville, Triumph Bonneville

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, Bonneville Black Engine, Bonneville T100, Bonneville T100 EFI, Bonneville T100 A1, Bonneville T100 A2, Bonneville T100 50th Anniv, Bonneville T100 A2 McQueen, Bonneville T100 Black A2, Bonneville T100 1960 A2, Bonneville T100 A2 110th, Bonneville EFI, Bonneville Black Engine EFI, Bonneville SE A1, Bonneville A1, Bonneville SE A2, Bonneville A2, Bonneville SE2 A2, Bonneville A3, Bonneville Newchurch, Bonneville T100 A3, Bonneville T100 Black A3, Bonneville T100 SE, Bonneville T214 SE, Bonneville T100 Spirit. 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
T2500020
Battery,12V, 10 AH
Qty 1
All Markets Except EF/ER/GR
$114.90
In stock in Brea
1
T2502347
Battery Multipack (10)
Qty 1
Multipack (10 x T2500020)
Backordered at Triumph · we’ll confirm the ship date after you order
No longer available
On backorder Out of stock at TriumphAsk the parts desk
1
T2506717
Kit, Battery, EU, YTX12-BS, UK, LHS
Qty 1
EF/ER/GR Markets Only
Backordered at Triumph · we’ll confirm the ship date after you order
$96.59
On backorder
2
T2501740
Battery Strap
Qty 1
Battery
Low stock at Triumph
$9.23
Limited availability
3
T2500361
Kit, Harness, Main
Qty 1
If the last 6 of your VIN are 122690 or lower
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
3
T2500358
Kit, Harness, Main
Qty 1
If the last 6 of your VIN are between 122691 and 126348
Backordered at Triumph · we’ll confirm the ship date after you order
$783.36
On backorder Order through the parts desk
3
T2501550
Main Harness
Qty 1
If the last 6 of your VIN are between 126349 and 317246
$783.36
Available
3
T2501515
Harness, Main
Qty 1
If the last 6 of your VIN are 317247 or higher
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
4
T2501305
Fuse, Mini, 5A
Qty 3
$4.39
Available
5
T2501310
Fuse, Mini, 10A
Qty 4
$4.39
Available
6
T2501315
Fuse, Mini, 15A
Qty 2
$4.39
In stock in Brea
7
T2500805
Fuse, 30A
Qty 3
$1.99
Available
8
T2500199
Horn, 420 Hz, Chrome
Qty 1
Chrome
Low stock at Triumph
$40.15
Limited availability
9
T3205156
Bolt, HHF, Lghtd, M8 x 16, Slv
Qty 1
$1.99
Available
10
T2500531
Relay, Indicator, 2 (4) x 10W
Qty 1
Indicator
$89.79
Available
11
T2501705
Relay, Changeover
Qty 1
Changeover
$18.79
Available
12
T2500344
Cable, 10mm, 1.1m Long, BK
Qty 1
$56.07
Available
13
T2500346
Subharness, Battery, Negative
Qty 1
Battery negative
$26.31
Available Order through the parts desk
14
T2500347
Lead, Oil Pressure Switch
Qty 1
Oil pressure switch
$25.77
In stock in Brea
15
T3700015
Cable Tie, 185.7 Long
Qty 1
$1.99
Available
16
T3450266
Fir Tree Plug, Blk, 19mm long
Qty 1
PART NO LONGER AVAILABLE
No longer supplied by Triumph
$1.99
Not on our shelf No longer availableAsk the parts desk
17
T3700072
Cable Clip, Dia 15-16mm BK
Qty 3
If the last 6 of your VIN are 317246 or lower
$3.81
Available
17
T3700072
Cable Clip, Dia 15-16mm BK
Qty 1
If the last 6 of your VIN are 317247 or higher
$3.81
Available
18
T3700233
Clip, Brake Hose
Qty 3
If the last 6 of your VIN are 247511 or higher
$5.45
Available
19
T3701098
Firtree, Dia 5 x 18
Qty 1
$4.85
In stock in Brea
20
T3700096
P Clip, Dia 15.9, Plastic, Blk
Qty 1
Backordered at Triumph · expected Nov 6
$4.56
On backorder
21
T3330941
Screw, But/Hd, Skt, M5 x 16, Slv
Qty 1
$6.24
Available
22
T3701101
Clip, Firtree, Mushroom, HD, Blk
Qty 1
$1.99
Available
23
T2500339
Subharness, Neutral
Qty 1
Neutral
$39.02
Available
24
T2501335
Fusebox Lid
Qty 1
$14.07
Available
25
T2500259
Relay, Grommet
Qty 2
$3.81
Available

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.