Showing 1–16 of 39 results
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MS3Pro Mini Wiring Harness – Universal Flying Lead
$69.99For use with the MS3Pro-Mini ECU. Complete 8′ Flying Lead Harness, arrives with color-coded, printed wires per the pinout below:
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8′ MegaSquirt Wiring Harness (MS1/MS2/MS3 Ready)
$99.99MegaSquirt Wiring Harness - 8 Feet Long We've completely redesigned our wire harness to help you get your fuel injection installation right the first time with several new features to help make your installation as easy and reliable as possible: ...
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8′ MegaSquirt Wiring Harness for MS3X
$114.99MegaSquirt MS3X Wiring Harness - 8 feet 8' of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! All wiring is pre-crimped (NOT solder cupped!) to the DB37 Heavy d...
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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 Wiring Harness – Universal Flying Lead
$349.00MS3Pro 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 ULTIMATE Center Harness
$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 Uncrimped AMPSEAL Connectors
$64.99Making your own harness? This plug and pin kit features the MS3Pro AMPSEAL white & gray connectors plus 75 pins- more than enough for making your own MS3Pro EVO or 1st Gen harness. MS3Pro ULTIMATE 3-connector AMPSEAL Kit available here
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MS3Pro ULTIMATE Uncrimped AMPSEAL Connectors
$89.99Planning to make your own ULTIMATE harness? This plug and pin kit features the MS3Pro ULTIMATE AMPSEAL white, black & gray connectors, plus 100 pins- more than enough for making your own! (EVO/ 1st Gen 2-connector AMPSEAL Kit sold separately)
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MS3Pro 1st Gen Wiring Harness Upgrade (for ULTIMATE and EVO)
$23.99If 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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Seals-It Grommet – 0.75″ one piece
$19.99Seals-It grommets make it easy to run wiring through your firewall without risking wearing the wiring, and help keep dirt and grime out of your interior. This one is a one piece, 0.75" inner diameter design that's perfect for any of our flying lead wiring...
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Seals-It Grommet – 1.00″ split
$32.00Seals-It grommets make it easy to run wiring through your firewall without risking wearing the wiring, and help keep dirt and grime out of your interior. This one is a split 1.00" inner diameter design that can slip over our finished drop-on wiring harnes...
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MegaSquirt 3X Wiring Bundle – 8′ long
$74.99MegaSquirt MS3X Wiring Bundle - Length = 8' 8' of TXL High temp automotive grade wire. Color coded wiring with labeling printed on the wire every 6 inches -- no paper tags here! Use with MS3X Expansion board or other sequential device Just ...
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MS3Pro LS Plug and Play Harness Alternator Lead Extension
$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: $899.00Note: This product has been expertly modified from our original 58X harness with only slight adjustments to meet 24X specifications For MS3Pro ULTIMATE/ EVO plug and play installation on GM LS engines with a 24x crank trigger. The MS3-Pro 24...
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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 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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