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-   -   idiots guide to momo prototipo install in a carrera (http://forums.pelicanparts.com/porsche-911-technical-forum/138526-idiots-guide-momo-prototipo-install-carrera.html)

COL 911 10-22-2010 05:17 PM

I can't remember if I had problems sourcing a 27mm at the time I did my install, but a relatively inexpensive 1 1/16" from the auto store works as well, and is now in my kit.

paulgtr 07-28-2011 05:14 PM

Just browsing through this thread because I'm having issues getting my turn signals to work since I installed the steering wheel. The directions are really crap! I used this thread already once to find out that about the plastic ring for the horn and turn signals, the horn works fine but the signals don't work. The only thing that works from the signals is the parking function if the ignition is off and the signal stalk is in the left or right position. so the lights are getting power but they won't flash. have I done something wrong?

noboco 11-05-2014 12:41 PM

Guys, I've just bought 964 C4 1992, Euro. Tutorial for Momo Prototipo installation needed! Actually I don't know what to do with airbag wires... Thanks in advance. :)

ScottinSSMD 06-24-2016 11:55 AM

Bringing up an old one. I have a new horn button that has two contact pins. Supplier says to use either or. Did that on either. Then or. No workie. When I touch the wire to the steering wheel horn works fine. Stumped on how to make the new horn work. Even tried connecting both to the single wire. Nothing. My button is just like the button on page 1 but with two, not one point on back.

kyngfish 06-24-2016 12:27 PM

Hmm
 
When the wire is connected to the tab, is the tab connected to anything in the button that when you press down on it, would seem to press a metal piece into the sides of the wheel?

I don't have my button in front of me, but I want to say that tab linked up to a wire that ran around the edges of the button. when you tap the button the wire connected to the tab hits the edges of the wheel and then it completes the circuit.

Hopefully this isn't an obvious answer you already tried.

ScottinSSMD 06-24-2016 03:53 PM

Figured it out. Very interesting and no instruction on this at all. My button looks like the last pic in post #3 above but has two contacts. Tried every which way to wire. Then, decided to pull on that metal piece on the side that contacts the side of the steering wheel. Well, fully extended it touches the momo hub and not just the steering wheel. Works like a charm on one of the contacts. Horn stays on constant if wired to other contact.

It wouldn't work touching the steering wheel only but did when hitting the hub.

adias 08-11-2016 09:33 PM

The MOMO Steering Wheel Hub Adapter description says that it may lose cruise control. I do not think this is an issue in G-series cars where the cruise control stalk is below. Can someone comment?

Thanks!

JohnJL 08-18-2016 07:33 PM

Thanks again for posting this, helped expedite an install for me tonight!

Trakrat 06-04-2017 04:11 AM

Quote:

Originally Posted by dickster (Post 1064088)
fit new hub to column. line up repeater cancel plastic stub with repeater stalk, while keeping centre the top hole for the steering wheel - the repeater cancel was slightly off, but still works. torque hub nut to steering column (dont forget washer) to 50nm - dont have lbs to hand.

http://forums.pelicanparts.com/uploa...1070700380.jpg

fit wheel (note the ring (see pic of all the bits) fits between wheel and hub adaptor - has a spade connector that i didnt need, but it forms the mount and earth for the horn push - mount the ring so that its male spade is on the opposite side of the wheel to the one on the horn push otherwise they may foul each other)

http://forums.pelicanparts.com/uploa...1070700415.jpg

wiring and fittings for horn push

http://forums.pelicanparts.com/uploa...1070700450.jpg


Hello... I am trying to get my horn button working. PO cut the wire and removed the horn ring, so I had to buy a new one.
I now have the horn ring, but I noticed in these pics there is a wire coming out of the small hole/notch in the upper left of the MOMO hub.
What is this wire? I do not have it. I only have the wire that is attached on the horn ring that I then plug in on the MOMO horn button.

ALSO... can someone post a pic of what they did to replace the OEM wire with the MOMO supplied wire (as the connector is larger than the Porsche part)?????

Thank you so much!!!

adias 06-04-2017 09:15 AM

Quote:

Originally Posted by Trakrat (Post 9612789)
Hello... I am trying to get my horn button working. PO cut the wire and removed the horn ring, so I had to buy a new one.
I now have the horn ring, but I noticed in these pics there is a wire coming out of the small hole/notch in the upper left of the MOMO hub.
What is this wire? I do not have it. I only have the wire that is attached on the horn ring that I then plug in on the MOMO horn button.

ALSO... can someone post a pic of what they did to replace the OEM wire with the MOMO supplied wire (as the connector is larger than the Porsche part)?????

Thank you so much!!!

The horn button connects to the ground via the circumferential ring at its base and to the positive (+) with a wire connected to a spade lug. That wire is there in the hub area. The spade may not fit the spade mate on the horn button so you may either solder an extension (horn buttons do come with it) or find a spade adapter.

kenjib310 07-25-2019 04:30 PM

Quote:

Originally Posted by dickster (Post 1064085)
new bits to go on

http://forums.pelicanparts.com/uploads2/81070699984.jpg

place the piece from the bottom of old wheel to bottom of new hub (3 screws supplied are a little small)

http://forums.pelicanparts.com/uploads2/91070700055.jpg

cut off old small spade connector (new fitting indicates larger size) i left part of the spade there for fixing into block connector

http://forums.pelicanparts.com/uploa...1070700110.jpg

Ok so this is where I lose my intelligence. Please help!! Am I correct that in my ‘86 Carrera I remove the oem wire from the back of the oem wheel and before screwing it into the hub I need to remove the oem connector and somehow attach the larger head the came with the momo hub? Is there no other way to get the horn to work? i.e. use the oem wire and then some how use the momo hub wire as a ground...but I’ve not seen any obvious location to screw the wire that came with the hub any where....any guidance is appreciated...this is the only part of the install that has me confused. Tyvm!!

adias 07-25-2019 05:06 PM

In my case (same '86) I did not cut any wire/connector. Simply got a spade lug adapter to connect both wires and used electrical insulating tape (or heat-shrink I forgot) around the connection.

I also mounted a spacer (available from Pelican) at the bottom of the new hub, as otherwise the steering wheel rim is very close to the top of the dash.

7783911 07-26-2019 12:46 PM

Has anyone used an eccentric adaptorwith the protipo 350mm to improve gauge view.?

911pcars 07-26-2019 01:02 PM

FWIW, that's a vintage flat (non-dished) Prototipo. Difficult to source. Nice find.

Sherwood

kenjib310 07-26-2019 03:59 PM

Quote:

Originally Posted by adias (Post 10536598)
In my case (same '86) I did not cut any wire/connector. Simply got a spade lug adapter to connect both wires and used electrical insulating tape (or heat-shrink I forgot) around the connection.

I also mounted a spacer (available from Pelican) at the bottom of the new hub, as otherwise the steering wheel rim is very close to the top of the dash.

Thanks for the reply! I’ll be purchasing a spacer now before I tackle the install. I’ll look into the spade lug adapter option ty. Do recall which type of spade lug adapter your used?

adias 07-26-2019 04:11 PM

Quote:

Originally Posted by kenjib310 (Post 10537540)
Thanks for the reply! I’ll be purchasing a spacer now before I tackle the install. I’ll look into the spade lug adapter option ty. Do recall which type of spade lug adapter your used?

I do not recall. You have to measure both spade lugs and perhaps fashion a flat connector pad made of copper. Use a caliper and go to a parts store, get something and adapt it. Get some shrink-wrap too.

kenjib310 07-29-2019 08:00 PM

Quote:

Originally Posted by dickster (Post 1064085)
new bits to go on

http://forums.pelicanparts.com/uploads2/81070699984.jpg

place the piece from the bottom of old wheel to bottom of new hub (3 screws supplied are a little small)

http://forums.pelicanparts.com/uploads2/91070700055.jpg

cut off old small spade connector (new fitting indicates larger size) i left part of the spade there for fixing into block connector

http://forums.pelicanparts.com/uploa...1070700110.jpg

Great write up ty! I’m curious the change of the spade, is the new spade obtained by cutting off the larger spade size from the wire that came with the MOMO Hub?

kenjib310 08-04-2019 08:56 PM

Thx for this thread! The install went great, cut the oem wire and slapped on the momo wire, the grounding plate between the wheel and the hub, the tab faces away from the driver but is then the tab is bent towards the horn button so it will make contact when you engage the new horn button. Beyond that easy to do!! http://forums.pelicanparts.com/uploa...1564980958.jpg

frankc 01-05-2020 09:39 PM

Quote:

Originally Posted by 7783911 (Post 10537358)
Has anyone used an eccentric adaptorwith the protipo 350mm to improve gauge view.?

I also have a question regarding use of the JWest eccentric adapter with the Prototipo. When using the eccentric adapter, are folks using the short or long hub adapter? It appears that the short hub adapter plus the eccentric adapter would put the total length at around the same as the long hub adapter alone.

I need to order the hub adapter and not sure which one to order (long or short).

Thanks

7783911 01-06-2020 03:47 AM

I use the eccentric adaptor with regular adaptor and it not only improves viability for the 350mm protipo but it adds a wee bit of extension as well...great combination effect


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