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Model FHLP-TAH Headlight Flasher for the  

Police Package Chevrolet Tahoe (2007+)

2562580A  REV. A 910

Safety Message to Installers of Federal Signal Products

People’s lives depend on your proper installation of our products. It is important to read, understand, and 
follow all instructions shipped with this product and the related add-on products. In addition, listed below are 
some other important safety instructions and precautions you should follow:

•  To properly install this equipment, you must have a good understanding of automotive electrical 

procedures and systems, along with proficiency in the installation and use of safety warning equipment.

•  Do not install equipment or route wiring in the deployment path of an airbag. Failure to observe this 

warning will reduce the effectiveness of the airbag or potentially dislodge the equipment, causing serious 

injury to you or others.

•  To be an effective warning device, an emergency warning system produces bright light that can be 

hazardous to your eyesight when viewed at a close range. Do not stare directly into the lights at a close 
range or permanent damage to your eyesight may occur.

•  If a vehicle seat is removed, verify with the vehicle manufacturer if the seat needs to be recalibrated for 

proper airbag deployment.

•  When drilling into a vehicle structure, be sure that both sides of the surface are clear of anything that 

could be damaged. Remove all burrs from drilled holes. To prevent electrical shorts, grommet all drilled 
holes through which wiring is run.

•  Never attempt to install aftermarket equipment that connects to the vehicle wiring without reviewing a 

vehicle wiring diagram available from the vehicle manufacturer. Insure that your installation will not effect 
vehicle operation or mandated safety functions or circuits. Always check the vehicle for proper operation 

after installation.

•  Locate the controls so the VEHICLE and CONTROLS can be operated safely under all driving conditions.

•  The flasher should be frequently inspected to ensure that it is operating properly and that it is securely 

attached to the vehicle. 

•  File these instructions in a safe place and refer to them when installing and/or reinstalling the product.

Failure to follow all safety precautions and instructions may result in property damage, serious injury, or death.

Overview of the Model FHLP-TAH

The Model FHLP-TAH Headlight Flasher is a solid-state plug-in flasher designed for installation in 2007 and 
newer models of the Police Package Chevrolet™ Tahoe 2007 and newer. The plug-in flasher operates from 
+9 Vdc to 16 Vdc with a 55 W load output on each of two outputs. In addition, the flasher activates factory-
integrated tail light flashers. The Model FHLP-TAH has built-in shutdown protection against short circuit, loss 
of ground, over-temperature, and reverse polarity.  

Along with the PowerPulse™ flash pattern, the Model FHLP-TAH features High-Beam Override and 
Nighttime Cutoff. In addition, when the high-beam switch is activated, the High-Beam Override (HBOR) 
function of the flasher interrupts the flashing sequence to allow use of the high-beams. The HBOR function is 
automatically disabled when the high-beam switch is de-activated, allowing the headlight flasher to resume 

operation. 

Summary of Contents for FHLP-TAH

Page 1: ... Never attempt to install aftermarket equipment that connects to the vehicle wiring without reviewing a vehicle wiring diagram available from the vehicle manufacturer Insure that your installation will not effect vehicle operation or mandated safety functions or circuits Always check the vehicle for proper operation after installation Locate the controls so the VEHICLE and CONTROLS can be operated...

Page 2: ...ire the flasher 1 Select a mounting location on the sheet metal below the passenger side front head lamps and forward of the passenger side front head lamp DO NOT mount the flasher directly on the engine or close to the exhaust system 2 Use the flasher as a template to mark the center of the two mounting holes DRILLING PRECAUTION When drilling holes check the area into which you are drilling to be...

Page 3: ...at the flasher properly flashes the headlights when the control switch is turned ON 2 With flasher control switch ON turn ON the high beam switch and verify that both high beam lights turn on steady Table 3 Troubleshooting guide Problem Corrective Action No operation Verify that the flasher plugs are properly connected to the head lamps Headlights turn ON for a short time then OFF for a couple of ...

Page 4: ...hicle warning systems may pose a hazard to the operator and other drivers if the systems do not function as expected Test the vehicle only in a controlled environment Limited Warranty Federal Signal warranties the Model FHLP TAH Headlight Flasher for five years from the date of purchase to the original purchaser against any manufacturer defects or workmanship This warranty applies only to the unit...

Page 5: ...The model or part number of the product being returned The quantity of products being returned Drop ship information as needed Any estimate required When you receive your RMA Number Write the RMA number on the outside of the box of returned items Reference the RMA number on your paperwork inside of the box Write the RMA number down so that you can easily check the status of the returned equipment ...

Page 6: ...PowerPulse is a trademark of SoundOff Signal Chevrolet is a trademark of General Motors ...

Page 7: ...blank page ...

Page 8: ...2645 Federal Signal Drive University Park IL 60484 3176 Tel 800 264 3578 Fax 800 682 8022 www fedsig com 2010 Federal Signal Corporation ...

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