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Post by skip20 on May 12, 2013 10:03:18 GMT -5
WHAT is this switch on the shift side of the trans. Is it a safety switch to no start in gear? If so, how does it get wired in? Rev switch is other side below w/2 pins. Can not find it on any wiring diagrams  |
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Post by Wyn on May 12, 2013 10:14:54 GMT -5
It should be the reverse SW. Run a hot wire to one post of the SW, the other post run it to the backup lights and ground the backup lights.  Wyn |
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Post by skip20 on May 12, 2013 11:57:16 GMT -5
It should be the reverse SW. Run a hot wire to one post of the SW, the other post run it to the backup lights and ground the backup lights. Wyn No, rev sw is on the other side & is hooked up & working. This is on the driver side in line with the shifter input. Has only one pin or slip on connecter. |
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Post by jspbtown on May 12, 2013 12:14:15 GMT -5
never seen one of those before. Its not a semi auto by any chance?
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Post by skip20 on May 12, 2013 12:26:16 GMT -5
Just tested it, with 12vdc going to it, in "N" it on, in gear it's off.
There's no switch on the clutch pedal.
Maybe a kill sw to the hot on the key (starter) so no start in gear.
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Eric A
Full Member
It's an obsession not an investment!
Posts: 223
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Post by Eric A on May 12, 2013 14:34:20 GMT -5
Is it an IRS?
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Post by Wyn on May 12, 2013 14:43:01 GMT -5
Never seen one before. My trany is from a 73 type 3 only has a reverse sw. My sons 73 bug only has the reverse sw. The old 57 VW chassis I have does does not have one on its trany.
I had an old 52 plymouth and I'm glad it did not have a kill sw as I have used the starter and battery to move it several times. ;D
Wyn
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Post by skip20 on May 12, 2013 15:09:06 GMT -5
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Post by smyrnaguy on May 12, 2013 19:43:49 GMT -5
It looks like it would close the ground to the starter relay when in neutral and open when in gear.
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Post by mrbigh on May 12, 2013 19:56:49 GMT -5
Think it would be a good addition to the Trike so I don't start in gear. That's a good idea and would work very well |
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Post by skip20 on May 13, 2013 20:02:19 GMT -5
It looks like it would close the ground to the starter relay when in neutral and open when in gear. Yes, but what would happen when you stop at a light & put into "N"?  I'm not using a relay, but a Ford sol. |
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Post by jspbtown on May 13, 2013 21:23:15 GMT -5
You would hook it to the starter relay and not the ignition circuit. That way it would only start while in neutral. It would run...just not start.
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zaucy
Full Member
Posts: 127
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Post by zaucy on May 14, 2013 1:29:22 GMT -5
yeah, that is what I was thinking.
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Post by skip20 on May 14, 2013 4:04:22 GMT -5
You would hook it to the starter relay and not the ignition circuit. That way it would only start while in neutral. It would run...just not start. Got a picture on how to. |
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Post by jspbtown on May 14, 2013 8:41:31 GMT -5
Lets see.....You will need a normally closed relay like this: www.delcity.net/images/linedrawings/73980.pdfNow I don't know how you added 12vdc to it and decided it was on in neutral and off in gear since there is only 1 tab so I am going to assume that with one tab it is just a ground switch. Meaning that when in neutral it provides a ground and when in gear it does not. So, under that assumption: Keyed power to the 30 tab on the relay. The "start" wire on the key (normally to the solenoid) goes to the 85 tab The wire from the tranny switch to the 86 tab Wire from the 87 tab to the starter solenoid. So...power is coming into the relay from the 30 tab. When the car is in neutral the switch provides a ground to the coil via the 86 tab. Turn the key and power comes from the switch, energizes the coil (because you have a ground coming from the switch) and the relay brings power from the 30 tab to the 87 tab and thus to the solenoid and the car starts. In gear the relay has power coming from the 30 tab and going to the 87a tab. You turn the key and + goes to the coil but the coil does not get energized because the tranny switch is not providing a ground signal. Remember...this is not the ignition circuit its the starter circuit. |
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Post by smyrnaguy on May 14, 2013 8:53:48 GMT -5
Another reason to use a Bosch type relay instead of the Ford. The Bosch relay only draws about .2 to .3 amps to energize. The Ford relay will require around 3 amps and will have to be isolated from ground to work with the trans switch.
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