Lt1 Swap Wiring Tags : Subwoofer Box Diagram Australian By Hanrietta Martinez. wiring. Published at Friday, March 22nd, 2019 05:56:02 AM. One other way to wire multiple zones is with the use of zone valves. LT1 Wiring Custom wiring harness modifications and computer reprogramming for late model high performance GM engines LT1 Wire Harness & Tuning | SSW | Standalone GM Wire The harness at view is made to fit a LT1 (Impala/Caprice/Camaro) Speed Scene Wiring can help you acquire the parts you need based on your info. LT1 Wiring Harness Thank you for visiting us at LT1 wiring harness . com. So you have found that perfect LT1 for your project? There are many good reasons to use the LT1 engine.