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Wiring & Adapters


SpoolinUp Speed Density Harness | 2003-2006 Mitsubishi Lancer Evolution 8/9 (SD)

$24.99



AEM Power Harness for Digital Wideband UEGO Gauges (30-3401)

$9.79 $10.88
You Save 10% ($ 1.09)

AEM Sensor Harness for X-Series Wideband Gauges (30-3427)

$21.75 $24.17
You Save 10% ($ 2.42)

AEM 4.9LSU Sensor Harness for Digital Wideband UEGO Gauges (30-3441)

$26.96 $29.96
You Save 10% ($ 3.00)


SpoolinUp Stock Connector Metal Retainer Clips (CONNCLIP)

$0.99


AEM Main Harness for X-Series Pressure Gauges (30-3444)

$19.58 $21.75
You Save 10% ($ 2.17)

AEM Sensor & Power Harness for Digital Pressure Gauges (30-3405)

$22.54 $25.04
You Save 10% ($ 2.50)

Haltech Platinum Pro/Sport PNP Auxiliary I/O Harness (HT-040003)

$104.50 $110.00
You Save 5% ($ 5.50)

AEM Infinity Oxygen Sensor Extension Harness (30-3600)

$84.85 $94.27
You Save 10% ($ 9.42)

AEM Sensor Harness for Analog Pressure Gauges (30-3412)

$17.29 $19.21
You Save 10% ($ 1.92)

AEM 20 AMP Relay & Wiring Kit | Universal Applications (30-2062)

$41.60 $46.22
You Save 10% ($ 4.62)

SpoolinUp GM IAT Connector (CONN-2-01)

$5.99

Split Second Absolute Pressure, 2 Hi Z Additional Injector Controller (AIC1-A2H)

$269.00

AEM Sensor Harness for Wideband Failsafe Gauges (30-3426)

$28.31 $31.46
You Save 10% ($ 3.15)


AEM Sensor & Power Harness for Digital Oil/Trans/Water Temp Gauge (30-3404)

$18.04 $20.04
You Save 10% ($ 2.00)


Working on your car requires you to learn how to be a mechanic, welder, fabricator, electrician and more. Fortunately, wiring has gotten easier over the years, thanks to advances in wiring harnesses. These bundles make connecting systems in your car much easier, without the need for soldering.

At Modern Automotive Performance, we have a wide line of wiring harnesses, adapters and relays, so that you can craft your own solution for a wiring problem. Whether you need to swap a set out, or if you need to splice wires together in a harness that fits your car, you’ll find everything you need here made by the industry’s best brands.

Is there an electrical problem that has you stumped? Contact our mechanics today. They, too, have plenty of wiring experience under their belts, and can help you figure out a solution to your wiring problem. With Modern Automotive Performance, you’ll be back on the road quickly, charging toward your automotive goals.


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