Proflow’s LS standalone wiring harness kits offer the best in aesthetics and reliability, designed specifically for GM LS engines produced from 1997 to 2004. They are available for both cable-driven and fly-by-wire vehicles with 4L60E or T56 transmissions, and will completely replace your old harness.
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Note: These are based off original LS harnesses. Some plugs may be different depending on engine build date. No oil pressure sensor wire is provided/catered for, as this is a aftermarket loom and relies on aftermarket engine management to cater for oil pressure monitoring
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Kits Include:
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Fuse/Relay Box
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Fuel Pump Control
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Fan Controls
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Check Engine Lights
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Speedometer/Tachometer
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OBD2 Compatibility
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Pedal and Throttle Control
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IAC Sensor
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MAP Sensor
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MAF Sensor 3 pin Early Gen 3 with separate IAT sensor
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MAF Sensor 5 pin Late Gen 3 (you will only use 1 of the MAF sensor plugs depending on your application
