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Thread: 205 question for wiring novice

  1. #1
    Fellow Frogger! Edd205's Avatar
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    Default 205 question for wiring novice

    Hi all,

    I have decided to do the Mi16 conversion on my 205, and have spent the last day just familiarising myself with what needs to be done.
    I have never really done anything with wiring before and I have a couple of (hopefully) obvious questions.

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    205 question for wiring novice-20140727_155027%5B1%5D.jpg
    This is located under the steering wheel, is this the ecu?

    205 question for wiring novice-20140727_155034%5B1%5D.jpg
    This looks pretty major but has never been connected since I've owned the car. The car had been converted to carb and there were a lot of unconnected plugs hanging around, but this is by far the biggest of them.

  2. #2
    1000+ Posts schlitzaugen's Avatar
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    Nope. That is the ignition management module someone built with gear from Jaycar (they used to sell a kit) perhaps, and used the dizzy as signal pick-up (or if you're lucky converted to a Ford-type EDIS system - unlikely methinks, you should be able to find a trigger wheel somewhere if that is the case). By the way, does the rev counter work?

    The big plug used to plug in the ECU box under the dash, but that seems to be gone AWOL (perhaps removed when the basterd converted to carby). What carby, by the way?

    Get yourself a manual if you want to put the wiring right, otherwise you'll never understand what's goin' on (and even with the manual its not that easy), and you'll end up with a crap job.
    Last edited by schlitzaugen; 27th July 2014 at 05:53 PM.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    1000+ Posts PeterT's Avatar
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    I'm not sure why they've added that black (silver) box, as the std early distributor and ignition module is good enough. The black plug is for the original Jetronic ECU. You must have plenty of excess wiring in that car. What are intentions for the 16V ignition/ECU?

    '92 205 Mi16
    '90 Mi16x4

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    Fellow Frogger! Edd205's Avatar
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    Thanks for the replies.
    The carby was a Weber DGV = crap.

    I am getting the 16v ecu and all wiring with the new engine.

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    And yes the rev counter worked.

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    1000+ Posts schlitzaugen's Avatar
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    The DGV is not crap. It will not give you the performance of FI without some specialist tuning (and economy is not going to be great), but if it's in good shape you can sell it to get some of the money you're going to need for your project. The DGV is very popular with people with Cortinas, BMW 2002 and many other cars (2L engines). See some of their forums.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    Fellow Frogger! Edd205's Avatar
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    Ok I should clarify, crap on my car!
    Do you have any ideas on how I'm going to wire this thing? I'm assuming remove that little jaycar box but what from there?

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    1000+ Posts PugMonkey's Avatar
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    If your going to put in the MI 1.9, all your existing electrical stuff will be removed & binned anyway (especially the Jaycar box). Best to buy the entire car to get the engine. I have seen 2 - 3 405 Mi16 good looking cars for sale at the moment for around $400 - $500. That way you get the engine, loom and all the brackets, fixings and some other goodies to sell off to recoup a bit of dosh to help out with the financials.

    At least you will need engine, loom, ecu and accelerator cable. There are four to five changes to the loom to get going. You will need a wedge plate for the exhaust (From PeterT) and a shortened intake manifold.

    If you need some help or photos, give me a bell and I'll send you a link.
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    ....now watch a Peugeot turn into a corner!

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    Fellow Frogger! Edd205's Avatar
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    Thanks Pugmonkey I might just take you up on that if (when) I get stuck.
    The engine I'm getting was originally intended for a 205 conversion that never happened, so I'm getting the works in terms of what I need (except for wedge, short manifold, sump baffle etc).
    You've put my mind at rest somewhat, I was wondering how on earth I was going to be able to sort through this science project gone wrong but if I'm replacing it all that's a good thing.

  10. #10
    1000+ Posts schlitzaugen's Avatar
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    I would strongly encourage you to not bin the existing loom. You may not need the loom as is, but it will help you tracking where is what and secondly, you might need to re-use some of the Bosch type connectors attached to it. Buying these later if you need might turn out to be an expensive exercise. Of most value I would rate the male 2 pin Bosch connectors attached to the lambda sensor (you can't buy these as far as I know) - there's two of them if nobody removed the sensor yet. I seem to remember there are more of these, but can't remember where. The female connectors abound in 2, 3, 4, 5 and 6 pins. Keep these, you might need them and they're not cheap. You can buy the spades these connectors use from good auto electrical places, or Jaycar/Alltronics (aftermarket, not always in stock, not everything you might like). I have reused most of these connectors when I rewired my car (someone messed it up big time).

    Another (better but costlier way) is to convert to full Deutsch connectors. These are completely air/watertight (mine site compliant) and perhaps will outlast the car if used. You won't be able to use those (well, not without some serious and delicate surgery) though on things like the throttle position sensor, the AFM, etc., which all have the Bosch type male terminals as part of their housings.
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    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    Fellow Frogger! Edd205's Avatar
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    Thanks mate I have hung on to the loom so far and labelled everything as I took it off as I figured some of the plugs may be important to me later. There were random wires running through and little clusters of relays that had obviously not been put there by Peugeot. Whatever the previous owner was smoking I want some!

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    1000+ Posts PeterT's Avatar
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    Is yours round heater dials or slider heater controls?

    '92 205 Mi16
    '90 Mi16x4

  13. #13
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    Round.

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    1000+ Posts PeterT's Avatar
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    If round, then the water temp, alternator, starter, wires etc., will run in a harness with the ECU wires, and out through the grommet in the firewall above your left foot. You will need to remove the harness and unpick it the unnecessary wires.

    '92 205 Mi16
    '90 Mi16x4

  15. #15
    Fellow Frogger! Edd205's Avatar
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    That may explain why my oil pressure and temp gauges never worked. Is it fairly obvious which wires these are?

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    The car is an Si isn't it?

    Quote Originally Posted by Edd205 View Post
    That may explain why my oil pressure and temp gauges never worked. Is it fairly obvious which wires these are?

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    Fellow Frogger! Edd205's Avatar
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    Yes Graham. Highly bastardised as it turns out, but yes.

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  18. #18
    1000+ Posts PeterT's Avatar
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    If an Si, it may be different to what I'm explaining. I've never worked on an Si. Are there two brown multi-plugs near the heater matrix?

    '92 205 Mi16
    '90 Mi16x4

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    Not sure Peter, I'll check tomorrow if I get down to the garage.

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    1000+ Posts schlitzaugen's Avatar
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    Oh. So that's why the ignition module. The Si had the ignition run by the ECU so when that was removed, there was need for something to run the ignition. I wonder what they used as pickup, maybe the original Si sender ? Either way, this means you won't be able to get rid of the new module if you want to keep running the car whilst figuring out what to do.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    I wonder how the tacho is being triggered?
    My rally car doesn't have a tacho as I don't know what sort of input the Si tacho needs, so would be good to find out.

  22. #22
    Fellow Frogger! Edd205's Avatar
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    Schlitzaugen it's all good, I've removed a load of stuff in preparation for removing the engine so it's not running anyway. I've unplugged all the wiring on the engine and labelled everything. I haven't removed the little box as yet but I'm hoping I don't need to keep it for the conversion.

    Graham I'm guessing that issue will come up at some point, I'll try to find out for you.

  23. #23
    1000+ Posts schlitzaugen's Avatar
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    The Si factory wiring uses a feed off the ECU to run the rev counter. The Jaycar unit allows for a similar feed to be run but it needs a couple of diodes on the return from the coil driver pulses to halve the compound signal, otherwise you'll see double the revs.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

  24. #24
    Fellow Frogger! Edd205's Avatar
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    Quote Originally Posted by PeterT View Post
    If an Si, it may be different to what I'm explaining. I've never worked on an Si. Are there two brown multi-plugs near the heater matrix?
    205 question for wiring novice-20140801_154614%5B1%5D.jpg

    Are these the ones Peter?

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    Those are the plugs mate.

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