Question about 2004 Chevrolet Cavalier
I'm having problems with my reverse lights I have a 2004 chevy cavalier ls sport 5spd manual and when I put the car in reverse the reverse lights don't come on I'm not an expert but i do know a little about cars so I checked fuses first and wasnt it I have changed the bulbs and connectors and that didnt work so I took a voltage meter and tested the connectors and its getting power just seems like a ground wire might be loose some were and I thought it might be some were around the shift linkage but i just can't seem to find it so I would really appreciate it If any one could shed some light on this subject I would very much appreciate it
Back up light switch is located on the rear of the transmission, easier to find if the LF is jacked up and wheel is removed. My switch was working fine out of the transmission, but was about a !/32nd of an inch short of closing when in reverse.
The way I determined that was by using a depth gauge between neutral and reverse, is a pawl inside of the transmission that goes rearward, and by comparing the decreased depth with the contact closure of the switch, was about 0.30" too short of closing, used an ohmmeter to determine when the switch was closing.
Now maybe by finding a switch at the dealers that closes with 0.030" less movement would solve that problem or trying to get more backward movement on that pawl. Now that would be a job to disassemble the transmission and bending that pawl backwards a tad. So I just put that switch in my machine lath and took off about 0.060" off the shoulder so it could be screwed in further. It's been working fine every since. I could barely get my baby finger in that switch hole to check for free play, was pretty tight. Just an engineering goof in my opinion, not allowing enough tolerance for switch closure variations. The plunger of the switch still had a good 1/8th " of movement after the contacts closed.
Posted on May 02, 2009
if you can take off the center console where the manual shift is you will see a little button that in gauges the reverse light
these can stop working very easy
sometimes it can be just a bit of sand sometimes it can be something like it has popped out of place
have a look thee and let me know what you find
Posted on Dec 28, 2008
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Posted on Jan 02, 2017
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