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-You mean the back up switch that turn on the back up light...?
-No light when you back up...? Possibly burn bulb or fuse as well.
Check the two above first before do any adjustment the safety switch.
It's on the transmission that the shift linkage connect to.. The whole assembly. Usually this piece is last for ever. It might need to adjust only.
-Here in case you want to adjust for back up so it can turn on the back up light.
-Lose couple bolt that hold it then ask some one to help to turn the key to on. No start. Then shift to reverse. and now you can turn the whole assembly back more or forward more to turn the on the light. When the light is working then just tight it down. You're done.
Now your helper can shift to park. and try couple more to see if it work or not.
Back up lights are normally controlled by a switch at the bottom of the steering column (column shift automatic trans) or in the console (console shifted automatics) or switch screwed into the side of the transmission (stick shift cars) If all fuses are good and bulbs are good, find location of switch and test for current to it and through it when in reverse.
If you have tested for power at the bulb base and you have power, then also check for earth continuity at the housing for the bulb when in reverse. It's either a faulty earth issue you have or in the case your earth and power are both fine, then simply a blown bulb.
If you haven't checked for power going into the socket, or if the ground is good. I'd say you have a faulty neutral safety switch on the transmission. When you shift the gears it keeps the vehicle from starting unless it's in neutral or park. It also senses when you are in reverse and sends power to the reverse lights turning them on.
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 -
theres a reverse indicator sensor on the trans axle that tells the pcm to turn on those lites does the R on the icp illuminate when u put it in reverse?
(icp instument panel cluster) it my need a manual shift lever sensor to fix the problem
There is a switch that controls the Neutral Safety Switch, and the Back-Up lights with the automatic transmission.
Manual trans usually have a single switch mounted where the shift rail inside the trans causes a switch to turn on the Back-up lights when you shift into reverse. Just a Back-up switch @ 15.00 + Ship on eBay for this type.
Check for burned fuse first, then try having someone stand behind car as you move shifter through all the gears slowly too see if back-up lights flick on & off at all during. Move it back & forth from reverse to neutral & drive a couple of times too, real slow & watch for back-ups to light momentarily.
Buy a auto repair manual for your respective truck, or go to the Nissan dealer and ask a tech to show you where the actuator switch is located, and replace that switch. That is the only thing left to replace. That should fix it. Also you could use an Ohm meter to check the switch to see if it is bad. Also check for a broken wire when you remove the actuator switch.