haywire

"Our haywire battery connections are gone," shouted McCready.

It seems their equipment has been haywire for two days, they haven't been able to get through.

However, they might just as well have tried to pick off a haywire comet rushing down at them.

Haywire instruments jerked the machine back down and then side to side, then into a tree trunk, blindly.

"Right on course, unless those instruments are haywire, which of course they're not," he murmured.

Horses with patched civilian harness gave the transport the appearance of a "haywire outfit."