I have checked the fuses and the bulbs are all fine - but no back up lights - I have a repair manual and it say that there is a switch on my automatic transmission to replace. I went to the parts store and they said it is only available for the manual transmission---any suggestions-----
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Re: Back up lights not working
The Reverse lights work on a plunger mechanism, mounted at the reverse gear position of the stick-shift. sometimes actually within the gear-box ( transmission itself )
I,d remove the bulb(s) and ensure the earth connections are good. clean and tight.
You could also try testing to see if you have 12 volts, running through the circuit, with a multi-meter or tester. i,d suggest purchasing a vehicle manual. invaluable tool for any vehicle.
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if fuse and bulbs are fine then it's your reverse switch that's not working. it is located at the transmission, change it. but before changing you should make sure that the wires are not cut or faulty.
It sounds like one of two things. One the light may be burnt out. If you have not already checked it, look in your owners manual for how to access the bulb. You can take the turn signal bulb that does work, into the socket and see if the problem rests with the bulb or the wiring. If the bulb looks fine, check your fuses if you have not done so already. If you do not know which fuses, or where, control your turn signal, look in your owners manual. You may need to check more than one fuse as the light may be protected by muiltiple fuses doing different jobs. If all seems fine here and the light still wont work, check all the wires that lead to the light. Also check to see if there is some corrosion or rust in the bulb socket. That might affect the bult as well.
Troubleshooting Procedures - Read Completely Before Beginning (American Car) All Brake Lights Not Working
Check System Fuse: A fuse is used to protect the brake light circuit from amperage overload. If the fuse has failed it will not allow the electrical current to continue to the brake lights. To check the fuse, first locate the brake light system fuse in the fuse panel which is either under the dash or under the hood in the power distribution center. Connect the test light to a ground like an engine or dash bracket and turn the ignition key to the "on" position. Using the test light probe both sides of the fuse. If the test light illuminates on both sides the fuse is ok continue onto the next step. If one side of the fuse illuminates the fuse has failed and needs to be replaced. If the fuse fails as soon as it is replaced or when you apply the brake pedal the brake light electrical circuit is shorted to ground. Rarely a system short can occur, a car repair manual is needed to find the wiring schematic for the brake light circuit. Once the brake light wiring has been located inspect and repair as needed.
Check Brake Light Bulbs: All cars have three brake light bulbs that create the brake light illumination affect. If all of these brake light bulbs fail no brake light operation will occur. I know what you're thinking, you might say all three brake lights at once? But in reality one brake light went out at a time and you did not notice. People only tend to notice something when they almost run into the back of your car to help persuade them to inform you the brake lights aren't working. Remove any of the brake light bulbs to confirm the bulb is ok or burned. After the bulb has been removed inspect the filament and replace if failed. If the brake light bulbs are ok continue to the next step.
Checking the Brake Light Switch: A control switch is used to connect the brake light electrical circuit. This switch is located near the brake pedal lever. Basic switches have just two wires, power in and power out to the turn signal switch. Use a test light that is grounded and with the key in the "on" position test for power at one side (wire) of the switch, then press the brake pedal while testing the opposite side (wire). It should illuminate the test light, if electrical power is connected through the switch go to the next step. If no power is detected through the switch the brake light switch has failed and replacement is required. If your car is equipped with more than two wires integrated into the brake light switch a car repair manual is needed to locate the proper brake light circuit wiring.