Unimog 435 lights and ignition always ON... Fault finding and repair.

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2 ай бұрын

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Hi
Something quite different this time...
A Mercedes Unimog 435 1300L, this came to me due to low beams and ignition always ON, discharging the batteries...
A lot of retrofits etc... have been done over the years, so you can imagine that some weird stuff was found...
UPDATE:
A bit of research later, something I should have done before record this video... revealed that the bigger switch, with the S modes, is the blackout switch, used by the military... Obviously this is no longer in use on this truck, and therefore no longer relevant. Unfortunately, due to all the addons and retrofits done, It is difficult to figure it all out how everything has been wired over the years...
Hope this makes sense at the end of the video.
Video for the fuel level indicator/gauge not working:
Unimog 435 Dual fuel tank level sensor not working... Fault finding and repair.
(To be updated once the video is published)
xxxxx
Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching!

Пікірлер: 29

@thekerbsidemechanic385 2 ай бұрын

The light switch is a NATO switch. Tag is all lights off but warning lamps, alarms and dash lights etc work. 1 & 2 is for park/sides and dips. The high beam works off the stalk. When the switch is at tag, press down and move to 0. All the alarms, dash lights and vehicle lights, etc are switched off. S1, S2 & S3 are convoy lights for driving with night vision. Theyre probably not installed. Hope the info helps

@LMAutoRepairs 2 ай бұрын

☺️ I found out that afterwards... I have put a briefly explanation on the video description... Yes... all that is not installed anymore... Thank you for the explanation! 👍👍👍

@bobuilt10 2 ай бұрын

It's a similar format on military Land Rovers. Very confusing to diagnose if someone has been in before you and swapped random wires.

@LMAutoRepairs 2 ай бұрын

Indeed... ☺️

@Parknest 2 ай бұрын

Luis, that Unimog is quite the beast. Well done for getting the electrical sorted.

@LMAutoRepairs 2 ай бұрын

☺️ Indeed it is... Thanks! 👍👍👍

@hendersonjp 2 ай бұрын

All that vehicle, just to go to Asda and back . Lol , Well done again

@LMAutoRepairs 2 ай бұрын

😅 Thanks! 👍👍👍

@ianwheat1577 2 ай бұрын

Wow that's a beast jobs like that are best avoided take a lot of time trying to work out how everything is wired up

@LMAutoRepairs 2 ай бұрын

☺️

@kennethnaunton3323 2 ай бұрын

Extra lights probably Ex Military for convoy work. Brilliant video and deffo different.

@Toby_the_Glen 2 ай бұрын

Military know how to wire these things. More likely an amateur 'have a go' chancer!

@LMAutoRepairs 2 ай бұрын

Ex-military indeed I have done some investigation afterwards to understand what they were... Read the video description... 👍👍👍

@kennethnaunton3323 2 ай бұрын

@@Toby_the_Glen I agree i'm ex Military and the wiring would've not been bodged. That would.ve been done after it left the Military.

@catalinmaris6887 2 ай бұрын

Hi Luis,nice video,this unimogs are great,it s look like a car that can go places! Have a great weekend and happy holidays! :)

@LMAutoRepairs 2 ай бұрын

Indeed! Can definitely go to places! ☺️ Happy Holidays!

@antodenn381 2 ай бұрын

Far play to you for Figuring that one out

@LMAutoRepairs 2 ай бұрын

☺️ Thanks! 👍👍👍

@jackiemay9471 2 ай бұрын

good morning Luis i believe that is the ultimate off roader the best a lot of money can buy how did you find wiring diagrams manual and lucky it didnt set fire to its self still a lovely bit of kit

@LMAutoRepairs 2 ай бұрын

😅 The manual with the diagrams was actually brought by the owner! Lucky indeed... plenty of trial and error on this one!... 👍👍👍