124 TE tailgate electrics

[alastairadams]

Hi, dont suppose anyone knows where I'd find, or if anyone has, a wiring diagram for a 124 estate tailgate? I'm having trouble with my washer motor feed since some accident damage was repaired. I have repalaced the washer wiper relay which has brough the wiper back to life but could do with tracing the washer motor feed. Many thanks!!

 

[Myros]

it all comes in from the nearside hinge

in the rubber boot. The connector block is under the fibreglass panel at the back top of the load bay. It comes undone with about six small screws and a lot of jiggery-pokery, and goes back even more trickily.

 

[alastairadams]

Tailgate electrics

Hi, thanks for that. I think the problem comes from a feed from the relay to the washer pump motor. However if, as you say it all comes in from the big junction block then that localises it more, and limits the wiring to check. Is it possible to get diagrams of these areas?
Cheers for posting,
Alastair

 

[star]

check the wiring in the rubber sleeve on the o/s, the wires snap.

 

[MotardMan]

Is it possible to get diagrams of these areas?
Cheers for posting,
Alastair

Wiring diags in the Haynes book of lies......

 

[MotardMan]

What model and year?

 

[MotardMan]

I'm only guessing but...........

This might be what you need?

 

[star]

Sorry cud be n/s in sleeve by hinge. washer pipe is other side.

 

[alastairadams]

Tailgate electrics

Hi,
Thanls MotardMan, that's a little clearer than the diagram in my Haynes book of lies. It's a '93 280TE, just prior to the face lift. I have renewed the feed from the junction block through the boot twice now. Once at 120K and again at 270K. Damn these unreliable cars. The location of the feed and wiring colour scheme are guess work without a diagram. Where did you get yours from?
Cheers

 

[MotardMan]

Hi,
The location of the feed and wiring colour scheme are guess work without a diagram. Where did you get yours from?
Cheers

I got it from the workshop manual I bought on CD. Invaluable.

 

[8~)]

Recommend a workshop manual?

Can you recommend a workshop manual for a W124 - the particular car is a `94 facelift 300 TD, diesel estate.

Have seen that Haynes and Bentley publish a manual but doesn't appear to cover the facelift cars?

Thanks

 

[MotardMan]

My CD copy does not cover the year either. Is there anything you need specifically I can help with?

 

[Bolide]

Can you recommend a workshop manual for a W124 - the particular car is a `94 facelift 300 TD, diesel estate

It's either a pre-facelift 300 TD or a 94 E300 Diesel, it can't be both

There is no book available as far as I know

The rear washer pump is fed via contacts on the tailgate wiper motor. If the wiper motor is u/s there will be no volts to the washer & it won't work

Start with the wiper motor. Check voltages on the various pins. Find the pin that goes live when the wiper blade is in the middle 60% of its arc and while the washer button is pressed. That's the washer feed

Nick Froome
www.w124.co.uk

 

[8~)]

Pedantic, Bolide, ...but also correct. It's the E300 diesel.

No book available; might get one for the earlier car - wiring is surely much the same apart from maybe some engine-related things.

I've already confirmed very low voltage at the pins on the tailgate connector to the wiper motor. Wiggling of the rubber boot and its innards does not change this.

Next thing to check is the wiring to same inside the car to rule out broken tailgate wiring. But I suspect the real problem is with the big relay and/or fusebox under the bonnet. Various other things have been happening too, such as no dash dials working, buzzing from behind the dash, no front screen wipers... Opening the fuse showed cracked soldered joints. Replacing with a new fuse seemed to fix all but the rear wiper, but the dodgy electrical issues have again reappeared once or twice.

I'm not alone with these issues, it seems. Lots of familiar stories on this (very useful) site about W124 electrical issues.

 

[MotardMan]

Lots of familiar stories on this (very useful) site about W124 electrical issues.

You mean this very forum, or did you forget to C+P a link?

;o)

Jim

 

[8~)]

Here's the link:

linky/