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No Tail Lights

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BigB1975

New member
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Location
Knoxville
I am a "new" 1990 HMMWV owner and have an issues with my lights.

With the 3 lever switch in the the "stop light" position I have turn signals, horn and brake lights(new switch).
With the 3 lever switch in the "service drive" position I have turn signals, horn, head lights and side marker lights but NO tail lights or brake lights.

Any thoughts?
 
O

orgnal

Member
285
4
18
Location
Denver, CO
BigB1975 said:
I am a "new" 1990 HMMWV owner and have an issues with my lights.

With the 3 lever switch in the the "stop light" position I have turn signals, horn and brake lights(new switch).
With the 3 lever switch in the "service drive" position I have turn signals, horn, head lights and side marker lights but NO tail lights or brake lights.

Any thoughts?
Click to expand...
Check the tail light bulbs

McReddy
 
P

papakb

Well-known member
2,288
1,186
113
Location
San Jose, Ca
If you have brake lights in the stop light position then your wiring and bulbs are good. If the brake lights don't work in service drive with the same switch it's bad and needs to be replaced.
 
P

papakb

Well-known member
2,288
1,186
113
Location
San Jose, Ca
If your familiar with following electrical schematics and have a multimeter you can trace the circuits through the switch but other than that there's no good way that I know of to test it. Luckily it's not one of the electronic switches.
 
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