What is this?

[elimontfort]

Any clue on what this is? It's under the dash next to the fuse block. This was a commercial truck for about 15 years but I don't know what it was used for.

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[ChrisC]

My best guess is it has something to do with a siren or flasher or something... it's circular shape reminds me of a distributor, so I would have to imagine there's something in there to pulsate an electrical signal (like switch something on and off at a given interval)...

Since all the wires going to it seem to be aftermarket (and cut), I would pull it out if I were you and see if there's any markings on the back indicating its purpose.

 

[Bob L]

What do the remaining wires go to?

 

[Biggershaft96]

X2. Check to see where the wires go. If they lead to nowhere pull it off and google any writing you find on it.

 

[jkeaton]

Flux capacitor.