Whelen Freedom on a Firetruck question

THEFLASH

Member
May 21, 2010
276
ALABAMA
Is there anything special needed to be done for this type of install? If I recall correctly, some firetrucks have 2 batteries making them 24 volts. The freedom requires only 12. Just wanted to ask the pros before I go frying a light bar. Thanks!
 

RDT Car 25

Member
May 22, 2010
364
Milford, CT
Fire Apparatus run with 2 batteries in parallel, so they are still 12 volt systems, but this increases the available amperage. Unless this is a old Military truck, it is probably 12 volt. So the Freedom should be fine since the truck is running at 12 volts.
 
May 21, 2010
1,176
NJ & IA
Purple Lights Guy said:
Fire Apparatus run with 2 batteries in parallel, so they are still 12 volt systems, but this increases the available amperage. Unless this is a old Military truck, it is probably 12 volt. So the Freedom should be fine since the truck is running at 12 volts.

Unless your like us, we run 4 in parallel on our tanker. :lol:
 

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