Rover 200 & 400 Owners Club

GTiJohn wrote: ↑Sun Jul 04, 2021 6:22 pm
Unfortunately the wiring colours don't seem to match those in the wiring diagram

John,

In your hand you are holding two relays connectors from R25, and wire colours do match to R25 diagram I sent you. You will not have same wire colours on the R200 diagram as you have on R25 so in this case you will have to match them by function and not by colours.

What I can offer you is to make a call and chat about this if you like? I sent you e-mail ...

Thanks for all the help

I'll get better glasses

I had another look and the colours do indeed match - it was the combination of my eyesight and the definition of my printer

I've now laid of the hardware side to check I remember where everything goes

I'm looking forward to seeing how this goes - I may be doing this to my daughter's R25 at some point

richard moss wrote: ↑Tue Jul 06, 2021 3:36 pm I'm looking forward to seeing how this goes - I may be doing this to my daughter's R25 at some point

It should be much easier fitting a 25 system to a 25

If you foun an R3 200 system would could swap bits

Found a 'multi-relay' YWB100801 on ebay for £30. New they're £130!

Result

The wiring is still going to be fun...

With the help of Michael from Banbury I think I now have all the parts I need to be able to fit the 25 A/C kit to my vi

he was able to supply the overlay harness, the correct temp sensor and switch on the evaporator and even the correct hand of relay mounting bracket!



Once fitted, re-gassed and with the pins attached and inserted into the correct pin-outs into the ECU it might actually work

I've decided that my spare 2002 1.4 25 is too rusty to save (pretty much no sills left) so I'm going to grab the Aircon and possibly the alloy wheels for my daughter's much nicer car (same engine, same age). So I'm after a wee bit of help if you can....

Roverlike: Could you send me those wiring diagrams of the Aircon wiring and point me in the right direction for how much of the donor to remove?

General:

The condenser, fan, pipework, receiver drier, compressor and brackets are all fairly obvious. The drive belt arrangement is different, too, so I'll check for any extra pulleys etc.

Questions are:
1) I assume that the whole heater box has to come out - so, therefore the dash does

2) is there a convenient place to separate the wiring - both in the engine bay and dash?

3) Is there anything obvious that I'm missing?

Thank you all

Rich Moss

You need to PM me your email address and I will gladly send you requested info.

I will try to sum up what you need to remove:

- Compressor
- Engine mount for compressor as well as new mount for alternator
- New auxiliray belt which drives alternator and compressor
- Idler pulley for the new belt
- Aircon radiator
- Aircon fan
- Complete aircon piping (metal and rubber ones)
- Evaporator which goes inside the cabin with thermal sensor on it
- Receiver/dryer with sensor switch on it
- Relays for the aircon
- Aircon switch inside the cabin
- New pins (3 or 4) for the engine ECU (I would suggest to remove complete ECU wiring)
- Wiring of the engine ECU, switch, relay module, evaporator, receiver/dryer, aircon fan
- All brackets that are attached to any of above mentioned items need to be removed with them including points to which brackets were attached if they are removable.

Regarding wiring I would suggest to remove complete wiring that covers above mentioned items including engine ECU.

GTi John will be your 'method of removal' man............I was a mere spectator when he stripped everything out of my breaker (I was busy removing various body and trim items at the time).

Your job may be easier than his regarding the wiring, as the two cars you are working with are of similar age. For example, the foglamp and electric mirror wiring is already incorporated in the main harness so there is a possibility that a lot of the aircon wiring is already there waiting to have the various components plugged in.