Showing all 12 results
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MS3Pro ULTIMATE Wiring Harness – Universal Flying Lead
$349.99MS3Pro ULTIMATE Complete 8' Flying Lead Harness Only (White-Black-Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below. All applications.
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MS3Pro ULTIMATE – Center (Black) Harness Only
$59.00MS3Pro ULTIMATE adds nearly 50% more I/O with the addition of a third AMPSEAL 23-pin, 8' flying lead. Harness arrives with color-coded, printed wires per the pinout below (black center connector) ***Center Harness ONLY in this listing, intended for p...
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MS3Pro EVO Wiring Harness – Universal Flying Lead
$299.00MS3Pro EVO Complete 8' Flying Lead Harness Only (White & Gray connectors with 8' pigtails) arrives with color-coded, printed wires per the pinout below. All applications.
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MS3Pro ULTIMATE with GM LS 24x Plug and Play Harness
From: $2,099.99This COMPLETE package includes an MS3Pro ULTIMATE ECU, a 24X ULTIMATE specific Drop On Harness & black center expanded I/O pigtail. Experience the ULTIMATE. Developed from the MS3Pro 1st Gen platform, the Ultimate brings NEXT LEVEL capability...
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MS3Pro Plug and Play GM LS Alternator Lead Extension Harness
$26.9930" extension for GM LSx alternator subharness. Our harness will require this if used with Camaro, Firebird, GTO, or CTS-V accessory drives. You can also use this with aftermarket brackets that move the alternator to a low mount position or relocate it ...
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GM LS 24x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo
From: $899.00Designed for MS3Pro ULTIMATE plug and play installation. HARNESS ONLY in this listing The MS3Pro 24x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money while...
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GM LS 58x Plug and Play Engine Harness – for MS3Pro Ultimate/Evo
From: $899.00For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger. The MS3Pro 58x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time and money...
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MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE & EVO)
$23.99If you have a previously installed MS3Pro harness (1st Gen) and want to change to an MS3Pro ULTIMATE or EVO ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Gen harness. Our wiring upgrade ki...
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MS3Pro EVO Uncrimped AMPSEAL Connectors
$64.99Making your own harness? This plug and pin kit features the MS3-Pro AMPSEAL connectors plus 75 pins (so you'll have a couple extras) for making your own MS3-Pro EVO harness. (or Gen1 if you wish) Download AMPSEAL Assembly Instructions
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MicroSquirt 30″ Pigtail Harness
$59.9930" Universal harness and serial cable for MicroSquirt (sold separately). This package includes all the wiring normally included with the Microsquirt on its own for customers who happen to need a spare or replacement harness.
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MicroSquirt Wiring Harness – 8ft
$69.998' Universal harness and serial cable for MicroSquirt (sold separately). Included is an 8' long harness for installing the MicroSquirt on larger vehicles instead of motorcycles and ATVs. Serial cable included.
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MS3Pro EVO with GM LS 24x Plug and Play Harness
From: $1,899.99This COMPLETE package includes an MS3Pro EVO ECU, a 24X EVO/ ULTIMATE/ Drop On Harness Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ul...
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