At Larry's Electric, we have been serving auto electrical needs since 1992 and aim to provide the same convenient, quality service that has made us a leader in the automotive electrical industry.

If at anytime, while you are browsing through our site, and  you have a question related to any of our services don't hesitate to call us at 618-282-2852 or send us an e-mail at Larry@larryselectricsite.com


What We Do

We manufacture top quality wiring harnesses to retrofit late model fuel injected engines into most any vehicle.  We also manufacture chassis harnesses for wiring custom made vehicles.  We deal in factory fit wiring harnesses for restoration projects as well.

Along with our Fuel injection harnesses we offer ECM/PCM reprogramming services for 1990-2010* GM vehicles.

We have a full service automotive shop for services such as troubleshooting, rewiring, installation of any of our products, electrical and fuel injection repair on domestic vehicles, and general light mechanical repairs.  We have 100's of hours experience with electrical restoration projects, many new installs for street rods, and repairing your daily driver. 

We also provide starter, alternator and generator repair for car/truck, atv, tractor/industrial equipment, lawn equipment, and marine.

Recently we have acquired a chassis dynamometer and are starting to offer dyno services.



Note* Not all  ECM/PCM programming is available please call with your set up. 



Dyno services now available
Designed to test Sport Compacts, RWD Drag Cars, Diesel Trucks, and Motorcycles with a capacity of 2,000 HP at the wheels.




Car Image We now offer programming services for the E38, E67 pcm's, T42, and Allison TCM




Dave from Texas

"Excellent craftsmanship, easy to install.  When I had questions they were always happy to help"

Jason from California

"Made my swap a piece of cake, i will be purchasing more for future projects"