Nissan Silvia S15 SR20DET | Nissan Silvia S14 SR20DET 1997-2002 Haltech Nexus Wiring Harness (BF29061)

The Boomslang plug-and-play wiring harness BF29061 connects a Haltech Nexus R3, R5, S2, S3 or T2 to the factory engine harness on the 1998-2002 Nissan Silvia S15 SR20DET and 1997-1998 Nissan Silvia S14 SR20DET (S14/S15 chassis, SR20DET engine) with a manual transmission. It plugs in where the factory ECU connects, so there is no cutting, splicing or repinning, and the vehicle can be returned to stock at any time.

Vehicle Fitment

• 1998-2002 Nissan Silvia S15 SR20DET (manual transmission)
• 1997-1998 Nissan Silvia S14 SR20DET (manual transmission)

Boomslang part number: BF29061. Confirm your model year, engine and transmission before ordering. Similar-looking vehicles often use a different factory ECU connector or pinout and need a different harness.

Compatible Haltech ECUs

Choose the version that matches your ECU. Each version is built for that unit's connectors:

• Haltech Nexus R3 VCU
• Haltech Nexus R5 VCU
• Haltech Nexus S2 ECU
• Haltech Nexus S3 ECU
• Haltech Nexus T2 ECU

Features

• Vehicle-specific plug-and-play fitment for the 1998-2002 Nissan Silvia S15 SR20DET and 1997-1998 Nissan Silvia S14 SR20DET
• Plugs into the factory engine harness with no cutting, splicing or repinning
• Factory harness is left untouched, so the install is fully reversible
• OEM-style connectors and correct wire gauge throughout
• Built in the USA by Boomslang

What's Included

• 1x Boomslang plug-and-play wiring harness (BF29061) for the 1998-2002 Nissan Silvia S15 SR20DET and 1997-1998 Nissan Silvia S14 SR20DET
• Haltech ECU sold separately

Frequently Asked Questions

Does BF29061 require cutting the factory wiring?

No. The Boomslang harness plugs into the factory engine harness connectors, so the stock wiring stays intact and the vehicle can be returned to stock.

Which Haltech ECUs work with BF29061?

Haltech Nexus R3 VCU, Haltech Nexus R5 VCU, Haltech Nexus S2 ECU, Haltech Nexus S3 ECU, Haltech Nexus T2 ECU. Select the matching version when you order.

Does it need a tune after installation?

Yes. A Haltech standalone ECU must be calibrated for your engine and modifications before the vehicle is driven. Tuned By Shawn offers remote and in-person Haltech tuning. Email service@tunedbyshawn.com with any fitment questions before you order.

For off-road and competition use only. Not legal for use on pollution-controlled motor vehicles.