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-   -   So where do the ignition wires go on the distributor cap? (http://forums.pelicanparts.com/porsche-911-technical-forum/911606-so-where-do-ignition-wires-go-distributor-cap.html)

Sunroof 04-24-2016 07:54 AM

So where do the ignition wires go on the distributor cap?
 
Changing out plugs and ignition wires on my 1973.5T (2.4 liter/CIS) when suddenly I realized I could not figure out where the ignition wires go on the distributor cap! I pulled several off without marking. Pretty stupid! :o

Anyone have a mapping on the distributor cap of the order? I do not expect Bosch to be thoughtful enough to stamp numbers on the caps by the cylinder firing order like most others. Lends to confusion otherwise.

Thanks

Bob
1973.5T

356911930 04-24-2016 08:06 AM

Off the top of my head ...1-6-2-4-3-5. the arrow on the distributor will indicate clockwise or CCW rotation. There is a notch on the lip of the distributor under the cap to indicate where cylinder # is connected.

There is also an engine bay sticker that shows the firing order.

Best of luck,

Rahl

Here is the sticker...don't know if it will show.

https://tse1.mm.bing.net/th?id=OIP.M6f71f2fbc19494029c4524a7729ce11ao0&w=14 0&h=105&c=7&rs=1&qlt=90&pid=3.1&rm=2

Sunroof 04-24-2016 08:11 AM

I have that order by cylinder relative to engine order, but need to map on the distributor cap. That is where my inexperience comes into play.

Thanks

RSTarga 04-24-2016 08:50 AM

That is the firing order so, assuming you have a Bosch distributor in clockwise rotation, wires go 1-6-2-4-3-5.
If you are standing in back of your car, cylinders are 123 on the left bank, 456 on the right bank.
Cylinders 1 and 6 are the ones closest to your legs on either side.
Usually cylinder 1 is marked on the top of the cap. If not, on a Bosch cap it is the one below the right hand clip.

Mike80911 04-24-2016 08:53 AM

First you need to find TDC on the number 1 cylinder to establish where to place the first wire on the cap.

RSTarga 04-24-2016 08:53 AM

So starting at 1 go clockwise with 6 then 2 then 4 etc.
If you have a Marelli distributor I think they go Counter clockwise. You can verify by watching which way the rotor goes while cranking the engine. Just to be sure.

Sunroof 04-24-2016 09:29 AM

Its a Bosch distributor.

Thanks

RSTarga 04-24-2016 09:37 AM

I'd still double-check rotation with cap off. Just to be sure.

pete3799 04-24-2016 09:39 AM

Quote:

Originally Posted by RSTarga (Post 9092693)
That is the firing order so, assuming you have a Bosch distributor in clockwise rotation, wires go 1-6-2-4-3-5.
If you are standing in back of your car, cylinders are 123 on the left bank, 456 on the right bank.
Cylinders 1 and 6 are the ones closest to your legs on either side.
Usually cylinder 1 is marked on the top of the cap. If not, on a Bosch cap it is the one below the right hand clip.

Cylinders 1 and 4 are at the rear of the car.

http://forums.pelicanparts.com/uploa...1461519584.jpg

RSTarga 04-24-2016 09:50 AM

Pete is correct, brain f*rt. sorry.

356911930 04-24-2016 09:50 AM

quote:There is a notch on the lip of the distributor under the cap to indicate where cylinder # is connected.

This should have read: There is a notch on the lip of the distributor under the cap to indicate where cylinder # 1 spark plug wire is connected to the distributor cap.

Hope this helps,

RAhl

RSTarga 04-24-2016 10:10 AM

1 is the first one after the clip.http://forums.pelicanparts.com/uploa...1461521405.jpg

Sunroof 04-24-2016 12:08 PM

Thanks.

I found a photo of the cap ignition wire set up and according to the line up, Number 1 is to the right of the retention clip (on the above photo) followed (working clockwise looking down), 6, 2, 4, 3 and 5. I will give it a go....................

Bob

86 911 Targa 04-24-2016 12:18 PM

Dizzy.
 
http://forums.pelicanparts.com/uploa...1461529078.jpg
^^^^^
Does this help?

Good luck,

Gerry

Sunroof 04-24-2016 03:12 PM

Thats a beautiful thing.......................................

Thanks Gerry


Bob

RSTarga 04-24-2016 03:54 PM

Damn engineers, they make things so clear!

James Brown 04-24-2016 07:49 PM

B e n t l e y


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