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03-29-2010, 03:56 PM
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CC Member
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Join Date: Jun 2004
Location: Leicestershire,
UK
Cobra Make, Engine: Kirkham #523, 427 S/O
Posts: 1,137
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Not Ranked
Quote:
Originally Posted by mjhcobra
Also, any ideas on the fresh air knob and cable?
Thanks, Martin
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Kirkham should be able to supply those as they fit them to their cars as standard now.
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04-01-2010, 11:39 AM
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CC Member
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Join Date: Jul 2004
Location: Eppstein, Germany,
He
Cobra Make, Engine: Actual car: AC Autokraft MK IV with Keith Craft 331. Gone: Home built Crendon, original style twin tube frame, powder coated, stainless sidepipes. FE 433
Posts: 219
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Not Ranked
Martin,
the push function is realised by a additional push kontact switch(like old cord switches on household lamps) and screwed in from befind into the Wiper switch. So the push funktion itself is a "add on".
I will check if both of my partnumbers have the same internal circuits.
For the footbox ventilation i thought about "lookalike" hardware with dummy cable visible in the engine bay but having small blower motors inside the venting tubes to increase airflow. These motors are switched on by a pull style alfa romeo switch. The fluted standard knob for the wiper, engraved by a friend with "Push" or "Pull", fits on the hex shaft of the alfa switch.
It will look old with modern internals,
For the "Pull Switch" see the pics in the middle of the page here in my Cobra built up report in the geman forum:
Uwe
__________________
Everything should be as simple as possible - but not simpler !!
Last edited by westcott cobra; 04-02-2010 at 12:22 PM..
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04-01-2010, 11:59 AM
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CC Member
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Join Date: Jul 2004
Location: Eppstein, Germany,
He
Cobra Make, Engine: Actual car: AC Autokraft MK IV with Keith Craft 331. Gone: Home built Crendon, original style twin tube frame, powder coated, stainless sidepipes. FE 433
Posts: 219
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Not Ranked
Here some pics from switch push function added on and fluted knob.
__________________
Everything should be as simple as possible - but not simpler !!
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04-01-2010, 02:52 PM
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CC Member
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Join Date: Aug 2003
Location: Tucson,
AZ
Cobra Make, Engine: Everett Morrison, 428
Posts: 164
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Not Ranked
Thanks for the switch pics Uwe. I can't get on the German site so I could not see the other pictures.
I like your ideas: the first being "budget" and second, a look-a-like.
Your switches came out great and would like to find a supplier where I can get them blank. I can get them engraved here in the US if I need to.
Thanks again for the info. If you can get some pictures of your air vent assembly,. switch, and cable, it would help.
Martin
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04-08-2010, 02:01 PM
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CC Member
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Join Date: Mar 2010
Cobra Make, Engine:
Posts: 17
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Not Ranked
Quote:
Originally Posted by westcott cobra
A Rover P6 Wiper switch has the same turn-on design as the original Cobra switch, two speed function, a push function for washers and in some cases a intermittent position. I bought some via ebaymotors.co.uk.
They are availlable from time to time...
For the fluted knobs i bought blank knobs from the UK and gave them away for engraving. See here:
http://www.clubcobra.com/forums/atta...5&d=1235125750
Westcott
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Hi Westcott,
Ive got myself a P6 wiper switch and wondered if you could help with the wiring. Ive put a multimeter across the terminals and come up with the following...
switching in a clockwise direction
POSITION FUNCTION TERMINALS
1 Intermittent ??? 3 + 5
2 OFF 4 + 5 + 6
3 SLOW 1 + 3 + 4
4 FAST 2 + 3
Would this work like this???
TERMINAL FUNCTION
1 SLOW
2 FAST
3 LIVE
4 EARTH
5 DELAY
6 PARK
I doubt my terminal interpretation is correct as I've sen other switches that have some pins always connected. Any clue you could give would be much appreciated.
Cheers
Fraz
Last edited by Gonch; 04-09-2010 at 12:02 PM..
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04-30-2010, 06:39 AM
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CC Member
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Join Date: Jul 2004
Location: Eppstein, Germany,
He
Cobra Make, Engine: Actual car: AC Autokraft MK IV with Keith Craft 331. Gone: Home built Crendon, original style twin tube frame, powder coated, stainless sidepipes. FE 433
Posts: 219
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Not Ranked
Long time no answer,
i'm in the middle of part collecting for my FE rebuilt, sorry...
The wiper motor i used is the same as shown on this page from Anthony Staffords shop:
http://www.s-v-c.co.uk/prod_wipers.html
Scroll down the page and find some helpfull infos and layouts
For the positions of the switch i will check it until monday next week.
Westcott
__________________
Everything should be as simple as possible - but not simpler !!
Last edited by westcott cobra; 04-30-2010 at 06:42 AM..
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04-30-2010, 07:55 AM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
For what it's worth,,, the switch, whatever one, actually switches "ground". At least it's that way on mine. The "hot" side is always on and goes directly to the wiper motor, so your "making a connection" to "ground" when the switch closes any wire to the ground wire terminal on the switch. That means you may or may not be able to actually find any voltage present at the switch with your volt meter.
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04-30-2010, 03:49 PM
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CC Member
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Join Date: Aug 2003
Location: Tucson,
AZ
Cobra Make, Engine: Everett Morrison, 428
Posts: 164
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Not Ranked
Finally got one of the 54033632/39156 switches for my Lucas 14w wiper motor also. Now I need to confirm the wiring to the switch. Any help will be great.
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05-03-2010, 01:56 AM
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CC Member
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Join Date: Jul 2004
Location: Eppstein, Germany,
He
Cobra Make, Engine: Actual car: AC Autokraft MK IV with Keith Craft 331. Gone: Home built Crendon, original style twin tube frame, powder coated, stainless sidepipes. FE 433
Posts: 219
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Not Ranked
@Fraz,
the rover switch positions turned clockwise are:
OFF Connects: 3+5, 1+6
Interm. 4+5+6
Slow 3+4+1
Fast 3+2
That means:
OFF: connected from 3 to 5, motor connection for park position, switched off by the breaker switch in park position
Interm: don't now what kind of relais do you want to use
Slow: connected from 3 to 4, motor connection for low speed
Fast: connected from 3 to 2, motor connection for high speed
Pushing the fluted knob activates the screwed in washer switch, so you can switch ground or power independend from the normal wiper switch connections to drive the washer pump.
@All,
the 2 numbers i posted for " alternative" switches are wrong. I checked all my switches at home and found out that i collected the switches just to get washer switch spares. The 35796 and 39195 are 2-speed switches but will not work with our common wiper motor. Used with the cobra wiper motor they are just 1-speeds because:
35796 internal connections turned clockwise are:
0. 1+2+3
1. 1+2+4
2. no connection
So the switch could be used counterclockwise to drive a conventionel setup not "british" wired
39195 internal connections turned clockwise are:
0. 2+3
1. 2+4
2. 1+4
Sorry for the mistakes,
Uwe
__________________
Everything should be as simple as possible - but not simpler !!
Last edited by westcott cobra; 05-03-2010 at 02:06 AM..
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05-03-2010, 06:07 AM
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CC Member
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Join Date: Mar 2010
Cobra Make, Engine:
Posts: 17
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Not Ranked
Hi Uwe,
thanks for the update. Would you be able to elaberate on your connections. Do you use all off the connectors? As in the 'slow' position what does 1 do/what do you have 1 connected to?
I'm pretty sure that position 1 on the P6 switch is Delay/Intermittent. Ill attach 2 pics showing it on the original and from a parts catalogue. I Intend to use the wiper delay from a Sierra. I think the P6 had a mechanical delay from a vacuum source.
Cheers
Fraz
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05-03-2010, 06:09 AM
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CC Member
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Join Date: Mar 2010
Cobra Make, Engine:
Posts: 17
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and the pic
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05-03-2010, 09:44 AM
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CC Member
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Join Date: Jul 2004
Location: Eppstein, Germany,
He
Cobra Make, Engine: Actual car: AC Autokraft MK IV with Keith Craft 331. Gone: Home built Crendon, original style twin tube frame, powder coated, stainless sidepipes. FE 433
Posts: 219
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Not Ranked
1 and 6 i don't use
Westcott
__________________
Everything should be as simple as possible - but not simpler !!
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05-11-2010, 10:15 AM
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CC Member
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Join Date: Aug 2003
Location: Tucson,
AZ
Cobra Make, Engine: Everett Morrison, 428
Posts: 164
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Not Ranked
Unfortunately the 39156 switch I just got in the mail has only 3 terminals, so to use it, I will not be able to hook up the park function I guess. Any Ideas??
The switch has 3 terminals ( 2 of the terminals have double studs).
Last edited by mjhcobra; 05-11-2010 at 10:21 AM..
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05-11-2010, 11:19 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,017
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Not Ranked
39156 requires a relay circuit to park the MG/Triumph wiper motor. (Included in the ERA kit, of course...) There have been some schematic diagrams to fabricate one posted elsewhere.
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05-13-2010, 12:36 PM
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CC Member
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Join Date: Aug 2003
Location: Tucson,
AZ
Cobra Make, Engine: Everett Morrison, 428
Posts: 164
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Not Ranked
I was not able to find a wiring diagram that uses a relay and this switch (39156). Please post it if you got one.
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05-13-2010, 01:16 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine:
Posts: 113
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Not Ranked
wiper switch part number
The original wiper switch is Lucas part number 34374A model number PRS7 and the wiper motor is Lucas 75311F and the model number is DR3 this motor has 6 leads,I have Lucas model and part numbers for all the electrical parts on a cobra. Hope this helps.
Regards,
Mike
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05-13-2010, 02:57 PM
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CC Member
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Join Date: Aug 2003
Location: Tucson,
AZ
Cobra Make, Engine: Everett Morrison, 428
Posts: 164
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Not Ranked
Thanks for the input. Sounds like some of the info in this thread may not be correct. Regardless, I am using the Lucas 14w 2 speed motor and either the toggle switch or the rotating switch. I got the toggle switch to work-parks and all with no relays. But wanted to use the fluted knob for originality. It I can get it to park great, if not the so what.
I have seen it work with wiring diagrams that use a relay and the 39156 switch, just can't find them again.
Thanks for the part numbers-that's a big help.
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