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Home Miscellaneous, SUPRA Goodies, & Used PartsFabrication, DIY Do-It-Yourself, Fittings, Etc.Wiring Harnesses and LoomsNO LONGER AVAILABLE Tweak'd Toyota 1JZ-GTE MA70 JZA70 MkIII Supra Engine Swap Wiring Harness Tweakd
NO LONGER AVAILABLE Tweak'd Toyota 1JZ-GTE MA70 JZA70 MkIII Supra Engine Swap Wiring Harness Tweakd
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This listing is for a brand new 1JZGTE engine harness swap into the 86.5-92 MkIII Supra. These wiring harnesses are built using new wire, new OEM terminals, and new OEM connector housings. Designed for use with the JDM ECU (High impedance injectors, MAP and IAT sensor, no MAF wiring). The only used connectors on the harness are the plugs that connect to the body harness which are taken from original core harnesses.
Available for auto or manual transmission (auto is $200 extra). There is a core charge of $300 for the original MkIII wiring harness. You may send in your core harness ahead of time to avoid the $300 core charge, or we will refund the core charge to you once you have returned the original engine harness to us. (Please note that core harnesses must be returned within 30 days of receipt of your new harness in order to receive the refund!) A tach adapter is also available for an additional $125 installed for vehicles using non-turbo gauge clusters. (Non-turbo tachometers will NOT function without a tach adapter).
Several looming options are available including braided sleeving and extreme-duty heatshrink looming for the ultimate in harness protection and a clean show-car look (custom looming options add an additional one week lead time)
These harnesses aren't just built and shipped it off. Every harness we build is laid out on our tried-and-true harness jigs to ensure a perfect fit every single time. Every detail is checked to make sure that your wiring harness is built to our standards. We don't ever send a harness to a customer unless we would happily install that on our own engine swap for our personal car. Then not one, but two engine swap experts double-check every single terminal, connector, and wire on your harness to make sure every circuit has perfect continuity. While we all know that mistakes aren't impossible, we ship every one of our harnesses with full confidence that you, our customer, will never need to use our unbeatable LIFETIME warranty on these.
Please keep in mind there may be up to 3-4 week wait time on getting a harness made. We have added an expedited option to take 1-2 weeks off the wait time and bypass the schedule
Available for auto or manual transmission (auto is $200 extra). There is a core charge of $300 for the original MkIII wiring harness. You may send in your core harness ahead of time to avoid the $300 core charge, or we will refund the core charge to you once you have returned the original engine harness to us. (Please note that core harnesses must be returned within 30 days of receipt of your new harness in order to receive the refund!) A tach adapter is also available for an additional $125 installed for vehicles using non-turbo gauge clusters. (Non-turbo tachometers will NOT function without a tach adapter).
Several looming options are available including braided sleeving and extreme-duty heatshrink looming for the ultimate in harness protection and a clean show-car look (custom looming options add an additional one week lead time)
These harnesses aren't just built and shipped it off. Every harness we build is laid out on our tried-and-true harness jigs to ensure a perfect fit every single time. Every detail is checked to make sure that your wiring harness is built to our standards. We don't ever send a harness to a customer unless we would happily install that on our own engine swap for our personal car. Then not one, but two engine swap experts double-check every single terminal, connector, and wire on your harness to make sure every circuit has perfect continuity. While we all know that mistakes aren't impossible, we ship every one of our harnesses with full confidence that you, our customer, will never need to use our unbeatable LIFETIME warranty on these.
Please keep in mind there may be up to 3-4 week wait time on getting a harness made. We have added an expedited option to take 1-2 weeks off the wait time and bypass the schedule
- NO LONGER AVAILABLE Tweak'd Toyota 2JZ-GTE JZA80 MkIV MkIII SC300 SC400 S13 S14 240SX Soarer Supra BRZ FR-S IS300 IS250 IS350 Engine Swap PLUG N PLAY Wiring Harness Tweakd
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