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-   -   Pushbutton start..... (http://forums.pelicanparts.com/porsche-911-technical-forum/546379-pushbutton-start.html)

Davewjunior 06-05-2010 11:47 AM

Pushbutton start.....
 
Does anyone use them? I've always like the look/feel of the pushbutton starts (reminds me of sitting in a cardboard box "race car" when I was a kid with some old toggle switches and buttons stolen from dad's garage). They seem to be making a comeback in many street cars. I just installed the high torque starter from Pelican last week. Seems like all I'd need to do is take a line that's hot with the ignition on and route it through a pushbutton and on to the solenoid. The start function of the car seems to be routed through the DME right now. Am I going to cause any problems by doing it this way?

Thanks!

NOLAsc 06-05-2010 12:51 PM

Had starter button in a '73 Bavaria (I kinda miss that car), and liked the feel too. I can't comment on the wiring though.

aston@ultrasw.c 06-05-2010 01:36 PM

I installed a longacre push start button.

2 reasons. 1. The key switch will wear out sooner or later and it's often the start position that goes first. 2. I do a lot of track days and I have heard of people breaking off the key starting the engine after a spin with gloves on etc...

All I did was hook into the yellow start wire. Some folks add another relay but that really sounds like overkill to me.

brads911sc 06-05-2010 01:53 PM

new VW's come with a modern version of the pushbutton start...

onboost 06-05-2010 02:52 PM

Old news.. this was standard issue on many cars from the 50's & 60's..

My old 65 E-Type comes to mind..

DanielDudley 06-05-2010 02:56 PM

I had a marine starter button on one of my 928s. Worked well, and saved me the cost of a new switch.

DanielDudley 06-05-2010 02:57 PM

Oh yeah. It was installed in the lighter hole. Don't drill your dash if you can help it.

Walt Fricke 06-05-2010 03:37 PM

You mean like this on the SC, because the key start was getting hit or miss (and try living with "miss" when on the grid):

http://forums.pelicanparts.com/uploa...1275780739.jpg


Or this on the track only car. It had an ignition switch when I got it which worked fine, but I started wondering about what would happen if someone reached in and took it, just for grins:

http://forums.pelicanparts.com/uploa...1275780861.jpg

It is an open car (no windshield or roof), so it would be easy to play such a prank. Plus I like having things simple and positive for track use.

ghost1001 06-05-2010 04:06 PM

this one is going in my car:

http://forums.pelicanparts.com/uploa...1275782772.jpg

Link:
Custom Cars Classic Hotrods Streetrods-Watsons StreetWorks

911pcars 06-06-2010 12:25 PM

I use a momentary toggle switch with a relay. Yep. The external switch saves the crank position of the very expensive and in some cases, NLA ign. switch. The relay reduces voltage drop due to corrosion and long distance between switch and solenoid.

B.g. and project here:
Remote Starter

Sherwood

tcar 06-06-2010 12:37 PM

Quote:

Originally Posted by onboost (Post 5389471)
Old news.. this was standard issue on many cars from the 50's & 60's..

My old 65 E-Type comes to mind..

Shoot, my Dad's 1950 Chevy had a start button. From the factory. It was chrome.

aston@ultrasw.c 06-06-2010 05:08 PM

I used your diagram it was very helpful. Thanks.

You have a point about voltage drop, I didn't think of that. However, I would suggest for many cars where the existing wiring is working just fine using a relay to power a solenoid is not absolutely necessary.

If you are having issues with low voltage at the solenoid then adding a relay would be an alternative to simply replacing the offending wires.


Quote:

Originally Posted by 911pcars (Post 5390463)
I use a momentary toggle switch with a relay. Yep. The external switch saves the crank position of the very expensive and in some cases, NLA ign. switch. The relay reduces voltage drop due to corrosion and long distance between switch and solenoid.

B.g. and project here:
Remote Starter

Sherwood



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