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H:\Cons\Misc\LED-Map-Light-Inst-8-08.doc 

3. Operation:  

 

• 

Power is supplied through a three-position switch.  The center position is “off,” and 
the up and down positions provide red or white light. 

 

4. Troubleshooting:  

 

• 

Use a voltmeter to ensure that the fixture is receiving adequate power.  The light 
requires nominally 12 VDC for correct operation.  Correct any faults found.   

• 

A bad ground connection can cause improper operation.  Use a negative wire instead 
of connecting power to the vehicle chassis to avoid any ground issues. 

• 

The light will not be able to turn on if polarity is reversed.    

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

TEMPLATE: 

 

0.16 (5/32” Drill)

Mounting Holes 

0.50 (1/2” Drill) 

Wireway 

1-23/32

21/32

Clip Here

Clip Here 

To Switch, 

Circuit and 

LEDs

+12 VDC 

Power 

1A Fuse 

(Recommended) 

User-Supplied 

Connector 
(Optional) 

Ground

HOT - RED 

COMMON - BLACK 

Note: 

Fuse, fuse holder, and connector are 
not supplied by Havis-Shields. 

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