CDL Dash Indicator Does Not Light

Joined
Dec 15, 2005
Messages
13
Location
Lafayette, CO, U.S.
Which I engage the CDL, I can hear a relay click from the passenger compartment, but the dash indicator does not light. What tests can I do to verify that the CDL is being properly engaged? For all I know, the state of the CDL is unknown and I am driving around with it on.

How common is it that the bulb just needs to be replaced?
 
Joined
Jun 18, 2003
Messages
7,910
Location
Raleigh, NC
 
 
 
On a dirt surface, Push the CDL button in and then try to drive in a circle. You should feel the driveline binding up, making it hard to complete a tight circle. Push the button again to unlock. Drive a few feet and then try the circle again. The circle should be pretty easy.

uzj100
 

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