Yes - licensed QRS units fall under the definition of ambulance, and are thus considered an emergency vehicle and able to be equipped with red lights & sirens.
"Lights" is not a unit of time. If you mean "light-years", that's not a unit of time, either; it is a unit of length.
Look for either a blown fuse or replace flasher unit for the signal lights (it is separate from the hazard lights flasher unit).
Adding freon to an air conditioning unit should only be done by a certified technician. It is in fact illegal for anyone to add freon to air conditioning that isn't properly certified, so one would add freon by calling in a certified technician to do it for them.
separate heating, lights, water
A Certified Residential Appraiser CAN appraise a 7-unit residential property. There are several ways that it can be done. One example: If the 7-unit residential property sold for $1,000,000 but the transaction value is below $250,000 the Certified Residential can do the appraisal.
usually lights are measured in lumens
A reefer unit is a unit that attaches to a saltwater tank. They include specialty lights, over flow boxes, wave makers, and a sump system.
The whole turn signal arm unit needs to be replaced
Speakers blown? or grounded out?
it could be abs break unit
No, you don't get CPR certified in Basic Combat Training/One Station Unit Training. The first aid training you receive in BCT/OSUT is very basic.
Have you checked for the flasher unit for hazards not sure where to find it on a cherokee.