MS3Pro ULTIMATE Center Harness
$49.00MS3Pro 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 ...
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GM LS 24x Plug and Play Engine Harness-ULTIMATE EVO
From: $799.00For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 24x crank trigger.The MS3-Pro 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 mone...
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GM LS 58x Plug and Play Engine Harness-ULTIMATE EVO
From: $799.00For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 58x crank trigger.The MS3Pro 58x LSX Series Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today. Save your hard earned time a...
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4 Pin M12 Serial Cable
$29.99Optional, connect MS3Pro ULTIMATE directly to your laptop with this 4 pin M12 serial cable.
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MS3Pro ULTIMATE Complete Universal Flying Lead Harness
$299.00MS3Pro 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 EVO Complete Universal Flying Lead Harness
$249.00MS3Pro 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 LS Plug and Play Harness Alternator Lead Extension
$24.9930" 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 58x Plug and Play Engine Harness-1st Gen
From: $799.00Designed for MS3Pro 1st Gen plug and play installation. HARNESS ONLY in this listingThe MS3-Pro 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 while ...
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GM LS 24x Plug and Play Engine Harness-1st Gen
From: $799.00Designed for MS3Pro 1st Gen plug and play installation. HARNESS ONLY in this listing.The MS3-Pro 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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MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE and EVO)
$22.00If you have a previously installed MS3Pro harness (1st Gen flying lead or LS Drop On Harness) and want to upgrade to MS3Pro EVO or ULTIMATE ECU, the upgrade path is simple. However, complete functionality will require a few basic changes to your 1st Ge...
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