Chandler Autosport Engine Harness - GM LS | Vortec V8 Throttle Cable

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The perfect GM LS | Vortec V8 Throttle Cable Engine Harness
Saving space and weight while improving performance and aesthetics.

This engine harness is for GM LS and GM Vortec Truck engines with Drive By Throttle Cable. With the overwhelming amount of GM LS | Vortec series V8 engines there are an even more overwhelming amount of sensor/connector variants. There is an endless amount of swappable engine components between the 20+ GM LS engines too. We've seen an increasing amount of crazy frankenstein GM LS engines. This of course causes a mix and match of electrical components. To solve this Chandler Autosport is introducing the option to pick each individual sensor variant for your GM LS | Vortec V8 Engine. This allows you to cater the engine harness to YOUR engine setup, even if it's pieced together. Chandler Autosport is the only company capable of offering this service to you. We know it can seem daunting to try and wrap your head around so many options, but the second photo with the harness photos breaks it all down visually to assist. 

If you are swapping this engine or simply modifying the one in your existing chassis, you will probably need a new reconfigured engine harness to adapt to your chassis, increase longevity, and/or add electronic accessories. With this harness you will receive the added improvement of each of those elements, along with helping to improve engine bay aesthetics.

Completely redesigned.
The OEM engine harness provides us almost limitless room for design improvement. OEM wiring includes many features that enthusiasts will not utilize and thus they add unnecessary clutter and weight, as well as reduce the ability to aesthetically accentuate the engine bay. Our harnesses are designed to be better than OEM quality with newer improved quality wires, connectors, and loom designed to last. They are more flexible and simpler by design than the OEM harness, and they are mapped out in the engine bay to offer the most appealing and maintainable installation we have found possible.

Our engine harness offers many revisions over the OEM harness. Many of our harnesses integrate the upper and lower/trans harnesses into a single harness. The Chandler Autosport engine harness routes directly to the ECU with a plug-in adapter for multiple chassis sub-harness options. The bulk of the harness routes closely to the engine and under the throttle body. We are the only company offering all new matching coil pack sub-harnesses. The OE coil pack sub-harnesses generally have more wear and tear than the engine harness itself and its the most unappealing visually.

The final result is a harness that features improved aesthetics and versatility, easier install and maintenance, and premium quality and durability. Switching different sensor types, such as switching from LS1 | LS6 Coils to LS2 | LS3 | Truck Coils, is easy with our sub-harnesses. Simply swap out the sub-harness and drive.

A 100% brand new engine harness.
Every connector, sensor terminal, every wire, every splice, and everything else is 100% new. No cut and modified wiring. No more intermittent 15+ year old wiring harness problems for you. With the Chandler Autosport Engine Harness you can start fresh. You can select from the options we offer to make the wiring harness a customized product for your motor and chassis. Injector type, chassis, ECU type, and more...Chandler Autosport offers a wiring harness like no other company in the world.


3 models to choose from.
Since day one we've offered 3 models of engine harness. CA1, CA2, and CA3. The numbers only represent a price difference. Every harness is our best harness, only depending on what you need or want from your engine and engine bay. No matter what those needs and wants may be, we offer an engine harness to suit you. All of our harnesses adhere to the same requirements we're known for.  Save weight and space. Improve aesthetics and performance.


All the sensors and functions you need, plus a few extra.
A comprehensive list of every sensor and function we include as a standard on all of our engine harnesses. You should feel confident buying a product without having to read for hours. Now you know exactly what’s included, where it is, and what it looks like. 


Pictures as reference only. Depending on your options selected, individual items may be different.

LS1 LS6 LS2 L76 L77 L98 LS3 LS9 LSA L92 L99 LS7 Engine Swap Wiring Harness
GM Vortec Truck V8
LR4 L33 LM7 LM4 L59 LQ4 LQ9 LY2 LH6 LY5 LMG LC9 LH8 L76 LU8 LFA L92 Engine Swap Wiring Harness