• SM3+ Wiring Loom

Universal automotive graded "Wire-in" loom, designed around the pinout of the SM3+ ECU but also universally usable on any ECU.

Wiring harness length 2.5m:

  • 8x Blue              0.50mm²        Coils 
  • 8x Grey              0.75mm²        Injectors
  • 10x Black           0.35mm²        Inputs
  • 9x Green            0.75mm²        Spare Outputs 
  • 2x Shielded        3x0.34mm²    Trigger Inputs (VR-Hall or Opto)
  • 2x Shielded        2x0.34mm²    Knock Inputs
  • 1x Shielded        6x0.50mm²    Wideband LSU4.9
  • 2x Red/orange  0.35mm²        Power Supply Sensor
  • 4x Brown            0.35mm²        Ground Sensors
  • 3x Brown            1.0mm²          Ground
  • 3x Red                 1.0mm²          Power Input/Power Coils&Injectors


  • Insulation PVC (Polyvinyl Chloride thin wall) according to ISO 6722
  • Temperature rating -40°C to +105°C without losing their flexibility 
  • Conductor construction according to ISO 6722
  • Excellent resistance to petrol, chemicals, and abrasion
  • Flame retardant
  • Voltage rating 60 V D.C.; 25 V A.C.

Write a review

Please login or register to review

SM3+ Wiring Loom

  • Product Code: SM3+ Wiring Loom
  • Reward Points: 3
  • Availability: 8
  • 119.99€

  • Ex Tax: 99.17€
  • Price in reward points: 120

Related Products



Take your racing performance to the next level with the SM3+ ECU standalone unit. Engineered for the..

609.99€ 659.99€ Ex Tax: 504.12€

SM3+ Wire-IN ECU

SM3+ Wire-IN ECU

SM3+ Wire-IN ECU! Our leading SM3 a full replacement for the original EFI System  with a v..

449.99€ Ex Tax: 371.89€

SM3+ V2 Elite ECU

SM3+ V2 Elite ECU

Revolutionize your racing performance with the SM3+ V2 Elite ECU standalone unit. Engineered for the..

779.99€ Ex Tax: 644.62€