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Post by Peter Mueller on Jun 1, 2005 9:15:40 GMT
Hello everyone I have bought an aftermarket hazard light unit by Lucas. Unfortunately , I am anything but an electrical wiz kid and there are a lot of wires sticking out of this thing . So, before I am going to cause everything to go up in smoke I was just wondering whether you wiring loom geniuses have any special tips or warnings regarding the installation of said part. As always, thanks for any contribution. Peter
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Post by adyonekenobi on Jun 1, 2005 12:31:10 GMT
Peter, Do you need the wiring diagram? If it is a Lucas after market type - I can offer a copy as I have the same kit but have yet to fit it!!
Regards
Ady
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Post by RichardF on Jun 1, 2005 14:41:57 GMT
My P5B doesn't seem to have hazards fitted. I believe, if memory serves me, that they weren't mandatory in UK in 1972. However, I am unsure if they are required now for its MoT next month. Does anyone know for sure?
Richard Fitzpatrick
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Post by adrian50 on Jun 1, 2005 14:52:13 GMT
As I understand the situation, if hazard warning lamps are fitted, they must work for the MOT. However, if not fitted, there is no problem since they were not a legal requirement at that time. Likewise for rear fog lamps, if fitted they must work for the MOT but they are not a legal fitment in period. CHeers
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Post by RichardF on Jun 1, 2005 14:57:19 GMT
Many thanks Adrian. It is how I thought it would be - just needed some confirmation.
Ta
RichardF
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Chris Discombe Torquay
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Post by Chris Discombe Torquay on Jun 12, 2005 7:27:50 GMT
With regard to a Hazard warning init kit. Where is best to purchase the kit . And where on the car should it fit ?
Regards Chris
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Post by Phil Nottingham on Jun 12, 2005 7:50:23 GMT
Holdens stock the Lucas switch and kits turn upat Autojumles regularly much cheaper. These come with a bracket to mount below the dash say next to the Fuel Reserve pull.
Others mount them in the redundant ignition switch hole for thoe cars with thief proof coils. This looks neat and all the connections are to hand but there are alot of wires behind the binnacle so making it awkard squeeze them all in.
They can also be mounted on the centre console very neatly particularly if there is no Heated rear screen switch there - a small wiring loom has to be made to reach the bullet connectors under the column
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Post by Peter Mueller on Jun 13, 2005 9:19:30 GMT
Where is the best point to pick up power? In the wiring instructions it mentions the ammeter but in the P5B wiring diagram there are two pick-up points at the ignition switch. Peter
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Post by Phil Nottingham on Jun 13, 2005 10:57:41 GMT
Its best to run the pick up to the battery (permanent) supply of the ignition switch via line fuse or from the fused battery contol of the fuse box. Its no good running it to ammeter on these car as its via a shunt
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Post by Peter Mueller on Jun 13, 2005 15:50:10 GMT
Thanks Phil As always, a mine of information. Peter
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Post by Peter Mueller on Jun 16, 2005 16:50:31 GMT
:-[Right, I need serious help here. It looked all so easy at first but has now confirmed the old wisdom that if something appears to good to be true it probably is. I have tried to advance my efforts of installing a hazard light unit but have come completely stuck (or unstuck, which ever way one looks at it).
???The questions are:
1. In the wiring diagram (P5B) there is an indicator switch and an indicator unit. As in all 6 wires sprout from behind the indicator stalk at the steering column, I assume switch and unit are here together. Is that correct?
2. There seems to be no indicator relay in the wiring diagram or is it hidden under another name?
3. If I need to connect wires of the hazard unit to wires of the direction indicator system of the car, can I do this by cutting through an existing wire and then reconnect both ends with the wire from the hazard unit?
4. Is it possible to do that fairly close to the steering column, i.e. under the dash board?
5. The wire sleeve colours in the diagram do not correspond with the colours of the wires in the car, i.e. those coming out of the indicator switch: a. I have been able to identify Green/Red = LH indicators, Green/White = RH indicators, and Black for Earth b. However I also have Blue/Brown – Green/Brown – Black/Purple – Brown/White. Where the (expletive of your choice) do they disappear towards?
6. Where would I find the Flasher Unit Feed and the Flasher Unit B-Terminal?
I know these are a lot of questions but I hope that the answers will be relatively straight forward and won’t cause people out there too much head scratching but also that anyone who might have the same problems in the future will find a comprehensive information base with which to work.
As always many thanks for your support.
Peter
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Post by Keith - Portsmouth on Jun 16, 2005 22:00:54 GMT
Don't forget that this switch also flashes the headlights when pulled towards the steering wheel. This would account for the Brown/White wire and the Blue/Brown wire. The LightGreen/Brown wire goes to terminal 'L' on the Indicator Unit... so find the other end of that wire and you have found the Indicator Unit, and you should find a Green wire on the 'B' terminal. The Purple/Black wire comes from the Horn Ring. I hope this helps.
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Post by dorsetflyer on Jun 17, 2005 8:54:47 GMT
Peter, one or two answers to your questions,
1. The switch and the unit are not together. the unit is fitted at the back of the binnacle in a clip. It can be either square or round depending on whether it has been replaced or not.
2. Item 78 is the direction unit itself on the cct diagram.
6. As Keith says look for the green wire that comes form the fuse block to terminal 'B' on the unit. There is usually a double connection at this point.
The big problem is when other wiring has been changed or modifications made using wrongly coloured coded wire, it can throw you completely.
Also when identifying these wires care must be taken as a Brown/Black wire will have a totally different meaning to a Black/Brown wire. In essence the main colour is listed first, followed by the trace colour.
Best of luck.
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Post by Peter Mueller on Jun 17, 2005 10:00:27 GMT
Dear Keith and John Thanks for your excellent advice . I'll do my very best. If the club will be advertising for a new PR Officer by this time next week, you'll know I have incinerated myself ;D. Peter
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Post by Peter Mueller on Jun 23, 2005 17:38:15 GMT
Sorry, it's still not working - or at least not as it should. I must have picked up the wrong power supply as it is only OK with the ignition on . Sorry Phil, I know you have replied to that question before but I thought the power supply to the ignition switch is the brown/ purple wire (and there is a pick-up point indicated in the wiring diagram). It ends in a connection with a free female end next to it. I get power from there but, as I have said, it only works with the ignition on. Is there another way to pick up a supply from there, or another source behind the dash board? If possible I'd like to avoid having to run a new wire from the fuse box, given my talent. Thanks Peter
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Post by Phil Nottingham on Jun 26, 2005 21:10:06 GMT
Just got back from hols - if you look up under the dash around the level of the shelf thre heater sits on you will see a terminal block of about 4 heavy brown & brown/white wires. The Brown wires ae the battery feeds.
The Brown/Purple is IGNITION supply on Thief Proofed coiled cars. Its for the Radio pickup
Why not pick up a feed from the clock or cigar lighter purple feeds - its still better t run a supply direct to the fuse box though
As I have said before - BEWARE the wiring diagrams were not often updated during production and PO's quite often make unauthodox (and dangerous) mods
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Post by Peter Mueller on Jun 27, 2005 8:48:41 GMT
Phil
Thanks for the advice. I'll do my best.
Peter
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