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What is everyone using for CAN wiring like for WeCan devices? Looking for a some sort of appropriate twisted shielded wire for the 3 conductors. I believe Whelen recommends 7 twists per foot.

I'm upgrading the alert system at my fire station. We decode quick call II tones using a CDM1250. The external alarm wire output sets off the house bells and lights when we get a call. One of the nearby departments has a unique alert tone that I want to replicate. I believe it is a sound that...

I have a Carson SC-1012 wired to a Feniex 100W speaker. Just this week, it started to sound quiet. Took everything apart, made sure the connections are all good, but still not fixed. I have good continuity through the speaker and my meter reads 10.2 Ohms through the speaker. I disconnected both...

Is there any good way to access the front pre-drilled HAW holes for a 13-15 PIU without taking off the bumper cover and removing the headlights?

Has anyone ever used the Wago 221 level nut connectors for an install? It seems like they would make a good replacement for butt splices or similar inside of a center console or other area inside a vehicle where they would not be exposed to moisture. They are designed to replace wire nuts for AC...

I've been asked to upfit a 2018 retail Tahoe. While looking over the vehicle, I noticed that the underhood fuse block has positions for the 4 upfitter relays along with their associated 30A fuses, and the two upfitter rely fuses that control if the relays are B+ or run/crank. Does anybody know...

Does anybody have any experience with the Whelen DUO PAR 46 heads in R/W? I'm considering replacing the factory head in my factory Unity spotlight in my PIU, specifically the P46S2* or P46S2*3 in R/W. How does the single wire operation work? Is there any advantage of the S2* or S2*3? I'd like to...

Looking for a Whelen 295HFSA8 or 295HFSA7 dual tone siren (preferably A8).

Does anybody know the pinout for the remote control head of a 295HFSA7 or A8 siren? The install guide shows how to connect the HF mode and the airhorn button but it does not show the pinout for any of the other rotary switch positions, the mono/off/dual switch, or the manual button. I'd like to...

What is the proper order to disassemble the hatch trim of a Police Interceptor Utility? Does it go window trim (1) first and then the main cover (2) second or should I remove the main cover first and then the window trim?

Do the Fusion 400/600/800 dual color bars average higher amp draw than the single color versions? I imagine the flash pattern can make a difference with the amp draw also. Does the 600 really only draw 4A max as per the Fenix website? That seems kind of low for a 6 head bar.

Are there any speaker brackets that will work with a retail 2018 Tahoe? I have someone who just bought a new Tahoe and is looking to have me install a siren and some lights.

In the Ford Police Interceptor Utility there is a 14-pin power and vehicle signals connector under the dash. I'm not entirely clear on what all the wires do. Pin 6: All the upfitter guide says is "Start (2A)". I'm guessing this is 12V hot when the engine is being cranked? Pin 7 & 14...

What's the best way to plug the factory Ford Police Interceptor Utility twist-lock holes in the tail lights? I had to replace a tail light on my 2014 vehicle and the new one has the twist lock hole. The vehicle does not have HAWs. I originally was thinking that I could get another socket for the...

What type of wire do you all use when installing a shoreline/battery charger/inverter/receptacles? Do you just make your own harness out of 12 Ga. white/black/green primary wire or is there some sort of "mobile romex" wire out there?

Anybody know what light stick the LAPD uses in their newest Ford Utilities? It appears to be an 8 head bar with dual color R/B end flashers. I'm guessing it's some sort of FedSig product as it looks like it's synced with the amber heads on the back of the Valor bar and controlled with a Smart Siren.

Is it OK to run a Carson SC-1012 for short periods of time to test functionality without a speaker connected? The manual says "If a speaker or speaker lead is shorted the fuse will blow before the unit is damaged. Disconnect the SPKR leads and replace the fuse. If the amplifier makes noise with...

I am planning to use my own switches for a Carson SC-1012 siren. The install diagram shows that the common pole of the switches is wired to the NEG pin on the siren to complete the circuit. I'm planning to use a foot pedal for the MAN switch. Does anybody know if I can just wire the common pin...

Anybody know if a set of TAL06s can sync with a pair of MS6s? I want to use the TAL06s in the factory holes of my 2014 PIU along with a pair of MS6s with vertical optics mounted on the side of a licence plate bracket for intersection coverage.

Does anybody know if the Whelen SAK44 speaker bracket will mount up to a Feniex Triton speaker? I'm looking for a speaker that will not break the bank but I really like how the Whelen SAK44 brackets mount the speaker directly in front of the left front tire. The dimensions of the Triton and...

I'm planning to put four Ghost lights and two Undercover HAWs on my vehicle. I noticed that the manuals for both says that only a maximum of four lights can be synced together. What would happen if I connected all six lights together? I would really prefer to only run one power wire into my...

I need to power several USB devices that are mounted in my vehicle. What's a good option for a USB charger that can be wired straight to 12V? I see that Lind makes a dual USB charger that can take 12V but are there any other options out there? http://lindelectronics.com/product/usb2-3459/

What lightheads work well recessed into the rear hatch of a Interceptor Utility? I want to put two LED heads in the bottom of my hatch so that I don't loose all my rear warning when the hatch is open. I see that there is a grommet mount option for the Whelen IONs but the grommet looks pretty...

I'm a bit confused as to how the horn ring functions in my 2014 Police Interceptor Utility. The upfitter manual says that there is a ground loop taped up under the instrument panel cluster for use. Does this mean I have to use my own relay if I want to utilize the horn ring to control a siren...

Will the new Fusion 40° heads fit in the Cobra 100 enclosure? I would love to swap out my rear amber and blue Cobra 100s with dual color heads.

What's the smallest TIR3 style light on the market? I want to see if there's anything that can possibly mount vertically on the side of the stock Ford Explorer/Interceptor Utility front licence plate bracket.

Are there any plans for a Fusion 100 product? I currently use two Cobra 100s mounted inside my rear hatch with the L-brackets and I would love two Fusion 100s along with the new end mount brackets for my grille.

What tones does the Federal Signal MS4000 use? The wail and yelp sound like Unitrol tones and the horn is close to the Unitrol horn but not exact? Obviously the phaser/priority tone is different because the Unitrols don't have that tone.

Is there any way to change the color of a cobra 100? I have two green cobra 100's mounted in my rear hatch area and I would like to switch one to amber and one to blue. Could I just buy two Cobra T6's and swap the heads? I would like to avoid taking apart my rear hatch if possible which is what...

What capacity fuses should be used with some Cobra T6 heads and some Cannon 120 hideaways?