S-Chassis Wiring Solutions

Reproduction and conversion cluster harnesses, digital climate control harnesses, lighting wiring and bulb holder solutions, original designed parts and more for your s-chassis

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Cluster Harnesses

Plug and play reproduction OEM and conversion harnesses using original connectors and premium AVSS wire. Hand assembled, tested and wrapped, all at an affordable price

JDM Digital Cluster Harness
USDM Digital Cluster Harness
Type X Cluster Conversion Harness
NX Cluster Conversion Harness
S13 Analog Cluster Harness
200sx (EURO) Digital Cluster PNP Conversion Harness
S15 Cluster Conversion Harness
S14 Cluster Conversion Harness

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Climate Control Harnesses

Reproduction of the OEM harness, this can only be used in either a S13 Silvia or 180sx / Type X to upgrade to the DCC unit, providing the car had the Auto Analog climate conrol unit or was factory fitted with the DCC

Grey Plug - Digital Climate Control Harness
Black Plug - Digital Climate Control Harness

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Corner Light Solutions

Reproduction OEM globe holders, replacement sockets and connectors for S13 Silvia corner lights, indicators and parkers.

FULL SET - Indicators and Parker Sockets
PAIR - Indicator - Corner Light Sockets + Connector
PAIR - Parker - Corner Light Sockets
SINGLE - Indicator - Corner Light Socket
SINGLE - Parker light - New OEM Nissan

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ECU Products

Connectors and harnesses for your ECU installation, including Haltech-compatible plugs and LINK G4X / G4+ extension looms.

Haltech Compatible 34 + 26 Pin Plugs With Terminals
Link Compatible G4X / G4+ Extension Harness Long
Link Compatible G4X / G4+ Extension Harness Short

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Individual Connectors

Individual connectors for harness repairs and wiring projects, including assembled and unassembled Nissan 4-pin relay connectors.

Nissan 4 pin Relay Connector - Unassembled
Nissan 4 pin Relay Connector - Assembled
Nissan S.M.J (Super Multiple Junction)

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Tail Light Harnesses

Coming Soon

Tail Light Harnesses

A dedicated home for tail light harnesses. Product details and photos are coming soon.

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Stickers

Coming Soon

Stickers

CIRCUIT-SR stickers. Designs and product details are coming soon.

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Mechanical

Coming Soon

Mechanical

Mechanical products for your next project. Product details and photos are coming soon.

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Customer Testimonials

Don't just take our word for it - hear from some of our satisfied customers! Check out some of our testimonials below to see what others are saying about CIRCUIT SR products:

Brand new harness, amazing quailty, shipping cost was great and found this to be way cheaper than the old used ones on the market. Couldn't be happier with the purchase.

Ebay user

Excellent communication and very accommodating seller. Much appreciated!

Ebay user

I’m glad the seller was able to have certain parts like this that have been discontinued will buy again perhaps I need that cluster harness ??

Ebay user

Very happy with seller. Quality made product.