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Re: back up lights do not come on
There is a reverse light switch at the bottom of the trans. Its a round circle looking piece about 1 1/2 inches round. Replace it. The fluid will run out of the trans when you remove it, so you will need some fluid or catch what you have. So again "reverse light switch" cost on this part is about $40.
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There is a switch on the transmission that is activated when reverse is chosen although on automatic transmission cars it is usually connected to the gear selector in console or colomn. This switch may need replacement. First check fuses .
Hi - sorry your having problems with your back up lights. Let's do a quick check and simple first. 1 - remove the bulbs to see if they are burnt out- YES on occasion both will be out at the same time because one out isn't always noticed. 2- once we establish the bulbs are good - check your fuses. In the owners manual they will be labeled or on the fuse box cover. Some fuses are under the dash and some are under the hood and sometimes these must both be checked. 3 if the fuses are good you will need to check the adjustment at the shift lever/ transmission. There is a switch that makes a connections and 'grounds' the wire making the lights light up. This must be checked for power with the car in reverse and jacked up and carefully put on jack stands. Many major injuries happen during this procedure so just be extra careful and it is best to have someone with you. Be sure to check back if my suggestions don't cure the problem. Thanks - please rate -
Check the fuse, first. The reverse light switch on/in the transmission may also be bad. One of the bulbs in the back may have shorted out and blown the fuse. These are the most common causes. Look for a cut/broken or shorted lead harness "hot" wire going to the backup lights under the vehicle. The other thing to check are the grounds. In high humidity areas and places that use salt on the roads in winter, wiring can be attacked by the corrosive salt and moisture, eating away the terminals and wiring over time. Hope this helps...
If there is no power at socket, check for a blown fuse, if fuse is good still check it for power, you can check the b/u switch on the trani, I think your is part of the neutral safety switch,do a wiggle check( might be able to see a loose connection) do it with key on wheels chocked and/or E-brake applied,and the trani in reverse. the truck does not have to be running. Just the key in the run position. and you can check for continuity(good ground) at socket. Good luck.
Yes there is a reverse light back up switch located on the side of the transmission it will be the only 2 wires going to the tranny. There might be a short in the switch itself or the power wire to switch might have a bare spot where it might be grounding out on the vehicle somewhere.