Jeep's Wrangler JLs are electrically complicated vehicles. From the two factory batteries under the hood to all of the sensors that run the CAN bus system, these rigs are incredibly sensitive to ...

There are two approaches to installing a battery disconnect. Electrical experts say either way is valid, and point out advantages/disadvantages to each approach. Install the disconnect switch on the ...

Jesse Rodriguez, Las Vegas, NV. I have a 1970 Mustang hardtop that has been in the family for a long time and now I'm getting my turn at it. My dad used to race it at the drags so we got it running ...

Turning the key to discover nothing but a dead battery isn’t fun. But it happens. Inverters, coolers, radios, warning strobes, laptops, battery chargers, printers and other necessary accessories put a ...