Roof Wiring Problemos

[Guest Tabobo]

So ill try to be concise here. Been trying to sort out the roof on my 1994 mk5 cabbie for a few weeks now in my spare time. It has always worked manually but now i want that motor turning!

 

I decided to start at the big expensive things first, being the motor itself, so wired it straight to the battery and works perfectly up and down.

 

Next i checked the thermal cut out fuse, all good there (checked with multimeter)

 

The roof switch is also in working order however this is where my problems start. When i press one direction say down i get a click from the front green relay but nothing happens motor end, and when i press the other direction it blows my 15A fuse.

 

Now im a bit unsure about the relays in the system as currently i have in the front;

One Yellow relay: 78EG 11406 CA V23134-K6-X40

One Green relay: V91AB-L13A025-AA V23134-E52-X167

 

And in the back;

Green relay: V91AB-L13A025-AA V23134-E52-X167

Green relay: 93BG 13A025 A1B V23136-A1-X32

 

Now i would have thought that all green relays would have been the same or at least the front one slightly different, if anyone can help it it would be muchly appreciate! Thanks again.

[Guest Tabobo]

ok new update if anyone is curious how its all gone. Went to Ford and they told me the two green relays coded V91AB... are in the system in the rear and the other two... are for front heated seats :S which i dont have, therefore i furiously threw them away lol.

 

So, knowing the rear section of the circuit was fine i needed to bypass the front two relays which i believe are for safety purposes (?) Spent a while looking at it and noticed on here that someone had bridged the Black/Green and Black/Blue together in the front section to attempt this, however looking at mine this had already been done and was not successful.

 

So i decided to try something different, i have assumed that the Brown/Blue wire connected to one of the front relays (what should be a green relay) is a sender to the remaining circuit to tell it to operate or not. To operate it needed a low voltage through it, not a high one, and this was achieved by pulling the wire and its female spade connector out of the relay, connecting a new wire to it and then attaching this to a good earth.

 

Now it works and is brilliant! note that doing this however has bypassed the safety features and sensors so that in its current state the roof can be operated in any key position (including engine running) but also the roof will keep trying to go up / down once its at its highest / lowest point, easily solved! take your finger off the switch..

 

I did have an image to throw on and changes to a wiring diagram i made but cant figure out how to upload them, sorry. Hopefully this helps and or works for someone else to in the same situation