A dead battery is annoying, especially after you just bought a new battery. But when a look under the hood reveals a bizarre maze of wires and hoses, automotive professionals start getting suspicious.

A post by mechanic Andrew (@krehzyy) starts out simply enough. The owner of a Jeep Gladiator had a dead battery and wanted him to look for possible parasitic draw. This refers to devices or components that use electricity even when the vehicle is off.

What Andrew saw when he opened the hood made him take a step back and wonder aloud what could possibly be going on with the vehicle and what the owner had done to it. “What the [expletive]?” he asks plainly in a TikTok that’s been viewed more than 11,000 times.

The brief shot under the hood doesn’t provide a full explanation of the problem, but the Gladiator’s battery area is crowded with red power leads, added-on wiring, routed hoses or tubing, and connections that do not appear to have been installed during production.

It’s not clear from the clip whether the setup involves aftermarket accessories, charging-system workaround, or some other modification. But for a mechanic asked to do the complicated work to target a possible electrical drain, it raises lots of questions before the testing even starts.