Jaspermowatt

Jaspermowatt

Active Member
Hi,

So i am trying to figure out why i have no indicators and I've just realized that if i turn on the hazard light switch, the ignition turns on regardless if the key is in or not.
I've literally spent hours trying to sort the indicator problem out and i can't get anywhere.
Now i am wondering whether all my problems are stemming from the fact that i am using a 1995 200tdi loom with a 1987 lr 90 ignition switch?

Please could someone help me out cause i am getting royally ****ed off with this part of the rebuilt at the moment!

Thanks a lot

Jasper
 
I know nothing about your car or your loom but as a fault finding sparky I would start by knowing what is connected to where. You either need the two relevant wiring diagrams and a large pot of coffee or you are going to have to prove the wiring that you have got.
Disconnect everything and start checking wires for continuity so that you know what goes to where. Until you do that you are working blind. It might be faster to bypass the 'faulty' part of the loom.
 
However you repair it remember to either draw yourself a wiring diagram or write out what you did. You will be glad of it in time to come if you have future problems or want to add to or modify anything.
 
dogsbody said:
I know nothing about your car or your loom but as a fault finding sparky I would start by knowing what is connected to where. You either need the two relevant wiring diagrams and a large pot of coffee or you are going to have to prove the wiring that you have got.
Disconnect everything and start checking wires for continuity so that you know what goes to where. Until you do that you are working blind. It might be faster to bypass the 'faulty' part of the loom.
Click to expand...
So you admit to being a fault finding sparks??????
Be prepared for plenty of pm's:D:D:D:D
 
Cheers Dogsbody, I did all that at the very beginning and things seemed to match up almost perfectly, its probably something minor that i have overlooked somewhere. I was hoping i could cheat somehow and not have to reassess everything but it looks i'll have to do that unless bypassing the hazard swtich works. ugh!
 
mick the builder said:
So you admit to being a fault finding sparks??????
Be prepared for plenty of pm's:D:D:D:D
Click to expand...

You should see my inbox.
I'm constantly amazed at the lack of logic. Electrics are easy, it goes in one end and comes out the other. If it doesn't then there's your fault.
Mind you I work mainly on Chinese c**p so that doesn't always work. They don't like giving out wiring diagrams and love changing wiring colours once or even twice inside a loom. Keeps me in work:D
 
Jaspermowatt said:
Cheers Dogsbody, I did all that at the very beginning and things seemed to match up almost perfectly, its probably something minor that i have overlooked somewhere. I was hoping i could cheat somehow and not have to reassess everything but it looks i'll have to do that unless bypassing the hazard swtich works. ugh!
Click to expand...
So its just the ign and oil light coming on instead of flasher indicator. Do the ign/oil lights come on when key is turned. Have you got engine running yet? what happens when hazards are switched on while engine running.? No idea whats going on , just trying to throw more info out there.
 
Hmm its everything that would come on when the key is turned to the position just before the engine would begin to turn over.
And yep, the lights come on when key is turned as well. No hazards when the engine is running.
I think i am just going to double check connections at the ignition switch and if the problem isn't there, well then ill just swear and it something with a hammer :)
 
There are a number of things which could explain the fault....

As already stated no matter what you know about vehicle electrics a wiring diagram is gold. Looking at the 300TDi wiring diagram as it is what I have on this computer and is likely very similar if not the same in relation to the indicators I like to trace backwards from the lights...... Doing that I can see that all the indicators go straight to two possible components which are the horn/indicator/headlight switch and the flasher unit.

If your car was at my house the first thing I would do would be swap the flasher unit as it takes 30 seconds and is a likely fault. My indicators went just after I got it and it ended up being the flasher unit had filled with water due to a missing rubber grommet (the fact that your hazards work doesn't mean that the flasher is ok but it does mean that it is more likely the switch). If the flasher unit is not at fault then check the switch. Both these things are quite quick to check before messing with the wiring. The ground and fuse for the indicators are ok as the hazards work so with them being ok it's likely one of those two. Do you know anyone with a defender? If so swapping each in turn might help diagnose it before you spend money.

If neither fix the issue then you would have to start delving into connections between components (either broken or shorted) etc etc
 
cowasaki said:
There are a number of things which could explain the fault....

As already stated no matter what you know about vehicle electrics a wiring diagram is gold. Looking at the 300TDi wiring diagram as it is what I have on this computer and is likely very similar if not the same in relation to the indicators I like to trace backwards from the lights...... Doing that I can see that all the indicators go straight to two possible components which are the horn/indicator/headlight switch and the flasher unit.

If your car was at my house the first thing I would do would be swap the flasher unit as it takes 30 seconds and is a likely fault. My indicators went just after I got it and it ended up being the flasher unit had filled with water due to a missing rubber grommet (the fact that your hazards work doesn't mean that the flasher is ok but it does mean that it is more likely the switch). If the flasher unit is not at fault then check the switch. Both these things are quite quick to check before messing with the wiring. The ground and fuse for the indicators are ok as the hazards work so with them being ok it's likely one of those two. Do you know anyone with a defender? If so swapping each in turn might help diagnose it before you spend money.

If neither fix the issue then you would have to start delving into connections between components (either broken or shorted) etc etc
Click to expand...

If i bypass the hazard switch, then i can light up all indicators continuously and can hear a relay working, when i track the relay down its not part of the flasher unit which i am assuming it the larger red relay looking thing... however i cannot get the lights to flash.. And now i have more woes, landy wont even start and i've not changed anything. nightmare.
I've got a whole free day tomorrow so I am going to check everything has continuity, clean up all connectors and see how things go.
Cheers for the help guys.
 
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