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Electrical System

Triumph Trident 660cc · Electrical System · 55 parts · 5 on the shelf in Brea

Exploded parts diagram — Electrical System, Triumph Trident 660cc

Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.

Triumph lists this drawing for the Trident 660, Trident 660 Triple Tribute, VIN CB1390 to CN4039. 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

Trident 660
2021–2026

Our parts team checks fitment against your motorcycle before any order ships.

Every part on this diagram

1
T2503849
Main Harness
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$929.08
On backorder Order through the parts desk
2
T1290975
Air Pressure Sensor
Qty 1
$133.79
Available
3
T3050346
Screw, Cap/Hd, M5 x 20, Slv
Qty 1
$2.29
Available
4
T3350161
Nut, Captive, M5
Qty 5
$4.21
Available
5
T1310120
Starter, Solenoid, Fused
Qty 1
$57.74
Available
5a
T2500805
Fuse, 30A
Qty 1
$1.99
Available
6
T3205077
Bolt, HHF, Lghtd, M6 x 8, Slv
Qty 2
$4.52
Available
7
T2503949
Bracket, ECU, Moulding
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$18.06
On backorder Order through the parts desk
8
T2505049
Blanking Plug, O2 Sensor
Qty 2
$6.16
Available
9
T2507729
Relay, Ultra Micro, ISO 280
Qty 6
$6.97
Available
10
T2500183
Battery
Qty 1
All Markets Except EF/ER/GR/BR/JP
$116.06
In stock in Brea
10
T2506715
Kit, Battery, YTX9-BS
Qty 1
EF/ER/GR Markets Only
$127.99
In stock in Brea · last ones
11
T2501756
Battery strap
Qty 1
$8.71
Available
12
T3350003
Locknut, Flanged, M6 x 1
Qty 1
$1.99
Available
13
T3100050
Stud, M6 x 28, Enc
Qty 1
$3.42
Available
14
T2505043
Conduit, Swingarm
Qty 1
$7.26
Available
15
T3450101
Button, Firtree, M6 x 11
Qty 2
Backordered at Triumph · we’ll confirm the ship date after you order
$1.99
On backorder Order through the parts desk
16
T2505073
Lead, Starter
Qty 1
$22.21
Available
17
T2505778
Lead, Battery, Positive
Qty 1
$11.27
Available
18
T3700015
Cable Tie, 185.7 Long
Qty 9
$1.99
Available
19
T3704444
Clip, Cable Tie, Fir Tree
Qty 5
$2.30
Available
20
T2505779
Earth Lead
Qty 1
Backordered at Triumph · expected Nov 6
$25.86
On backorder
21
T2508250
Tab, Connector, Crank Pos
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$8.86
On backorder
22
T2510000
Engine Subharness
Qty 1
$74.65
Available
23
T2505171
Horn Assy, 440HZ
Qty 1
All Except "IN"
$41.40
Available
24
T3330334
Screw, Tx, Pan/Hd, M6 x 16, Slv
Qty 1
$2.43
Available
25
T2504054
Bracket, Horn Mount
Qty 1
IN Only
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
26
T3331625
Screw, Btn Hd, M8 x 12, Slv
Qty 1
IN Only
$1.99
Available
27
T3700252
Rubber Band, 88mm
Qty 2
$8.88
Available
28
T3700259
Rubber Band, 43mm
Qty 3
$3.61
Available
29
T2502722
Guide, Headstock Rubber
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$12.36
On backorder Order through the parts desk
30
T2503998
Bracket, Harness, Hego Sensor
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$7.22
On backorder Order through the parts desk
31
T3330943
Screw, But/Hd, M5 x 14, Slv
Qty 4
$4.56
Available
32
T2503338
Subharness, Rear Number Plate
Qty 1
$41.11
Available
33
T2503437
Auxilary Fly Lead, JP
Qty 1
JP Only
$22.21
Available
34
T3700016
Cable Tie, 370 Long
Qty 3
$1.99
In stock in Brea
35
T2504524
Wire Guide, Mldg, Front
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$5.83
On backorder Order through the parts desk
36
T3450345
Clip, Wire, Self Adhesive
Qty 1
$3.88
Available
37
T3700212
Band, Rubber
Qty 3
$3.04
Available
38
T3700108
Clip, Cable, 14.3 x 10
Qty 3
$3.00
Available
39
T2509978
Pad, Battery
Qty 1
JP Only - Included with JP Battery Spares Kit Only, Item 10
$8.53
Available
40
T2509888
Bracket, Temperature Sensor, Mldg
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$5.91
On backorder Order through the parts desk
41
T1290088
Sensor, Air Temperature
Qty 1
Low stock at Triumph
$59.95
Limited availability
42
T3332648
Screw, Btn/Hd, M5 x 14, Slv
Qty 2
$1.99
Available
43
T2509611
Bracket, Harness Tank, LHS
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$9.12
On backorder Order through the parts desk
44
T2508989
Connectivity Module
Qty 1
$345.16
Available
45
T2508990
Jacket, Connectivity Module
Qty 1
$12.58
Available
46
T3701150
Plastic Rivet, Push Release
Qty 1
$1.99
In stock in Brea
47
T2501302
Fuse, Mini, 2A
Qty 3
Backordered at Triumph · we’ll confirm the ship date after you order
$2.09
On backorder Order through the parts desk
47
T2501305
Fuse, Mini, 5A
Qty 3
$4.39
Available
47
T2503307
Fuse, Mini, 7.5A
Qty 1
$4.30
Available
47
T2501310
Fuse, Mini, 10A
Qty 1
$4.39
Available
47
T2501315
Fuse, Mini, 15A
Qty 4
$4.39
In stock in Brea
47
T2501320
Fuse, Mini, 20A
Qty 1
$4.39
Available
47
T2501325
Fuse, Mini, 25A
Qty 1
$4.39
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.