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I installed some rotators and a siren unit too so I guess that accounts for the extra few amps. I’m in the process of combining all the wires on the 12v rail of a computer power supply to power this bar. It outputs about 76 Amps.

Kind of amazing how much power this bar draws. It got my really thick gauge jumper cables almost burning hot after being on for a few minutes,

It was indeed the belts. I bought 2x Gates 300XL025 PowerGrip Timing Belt off Amazon, about $20 for two and it solved my issue. As far as I could tell, I had the original drive belts from October 17th, 1985 on the lightbar. They shrunk from sitting in the hot Las Vegas sun for 34 years after I...

I haven't actually seen them yet, they're coming in a few days. Figured I'd put one in the siren cage since it's empty on my bar. I have some Whelen Blue/Red strobe pods I figured I'd throw in there too. I really want to find a Blue Code 3 XL lens so I can make it a police spec'd bar. Just...

Thanks for the help, I'll go order some new belts. I figured this this was so old and only meant to be used on a fleet for such a short amount of time aftermarket support is non existent. I already bought some modern Code 3 direct driver rotators, I just don't like them as much...

Wow! They still sell the drive belt for it? Is that the exact one I need? I don't know if all the Code 3 XL models are the same.

I just unscrewed the set screw for the tensioner wheel and set it to the side so that it applied no tension to the drive belt. Removing the wheel or adjusting it makes no difference. I did try the motor without a belt, it will spin forever no issue. I even put the belt on let it spin on my...

I did take the motor off and checked for play in the driven gear, but it was fine. The tensioner seems very simple, it's just that plastic gear on a swinging arm. It didn't seem like it had excessive play. I even removed the tensioner completely from the equation and it made no difference.

So you're saying I can adjust tension on the motor itself? I tried adjusting the actual belt tensioner but it didn't do anything. I ordered some newer Code 3 rotators that are direct drive so I can get this thing working, but it isn't as cool as the belt driven one. I travel to junkyards for...

As the title states, I'm looking for a blue lens for my Code 3 XL lightbar circa 1985. Thanks.

Hello. I was bored in Las Vegas a few weeks ago so I visited the local junkyard. I found a mid-1980's ambulance that was used as a mobile billboard for a literal ambulance chaser law firm. Was a time capsule walking into the back of it, everything was beige, brown, or woodgrain. Anyway, I took...