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> Conversion wiring/ 911 Senders, rookie needs help.... again
RiqueMar
post May 5 2011, 04:54 PM
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Enrique Allen Mar
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I need to do the conversion wiring, seeing how messed up the 911 harness is, I've decided to take the four harness and match the connections, using the 911 wires if I have to.

My question is, how do I know which sender is which? It seems as simple as connecting the wires to the senders, and then adding them to the /4 harness connector in the right position to connect to the relay board.



(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1304636060.1.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1304636061.2.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1304636061.3.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1304636061.4.jpg)
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SLITS
post May 5 2011, 05:39 PM
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Sensor near thermostat is for the "idiot light"

Big can on oil line is pressure ... 914 doesn't have it ... use spare wire for Sportomatic to drive a gauge.

One next to the above is temperature ... wire it to the /4 temp gauge if you have one.

One in front cover is not used.

Ground is a ground (one near dizzy).

I believe you are using carbs so you won't need to wire in power to the warm up regulator.

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IronHillRestorations
post May 6 2011, 06:54 AM
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What year is the 914 you are converting?

If it's a '73 or later, you run the black and green wire to the oil temp sender lead below the battery tray, it used to connect to the wire from the taco plate.

The red and green wire you can connect to the green wire that had been used to power the heater fan, then you can pick up that wire at the heater fan switch in the cabin and run it to your oil pressure gauge. You'll also have to take the cover off the forward 12 pin connector, and remove the solid green and the wire to the switch and just connect them together (I'll post the colors later).

There's already a lead in the harness for the oil pressure warning light. Like Ron said, that's the sender at the rear of the case, near the crancase breather.
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RiqueMar
post May 6 2011, 08:43 AM
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QUOTE(9146986 @ May 6 2011, 05:54 AM) *

What year is the 914 you are converting?

If it's a '73 or later, you run the black and green wire to the oil temp sender lead below the battery tray, it used to connect to the wire from the taco plate.

The red and green wire you can connect to the green wire that had been used to power the heater fan, then you can pick up that wire at the heater fan switch in the cabin and run it to your oil pressure gauge. You'll also have to take the cover off the forward 12 pin connector, and remove the solid green and the wire to the switch and just connect them together (I'll post the colors later).

There's already a lead in the harness for the oil pressure warning light. Like Ron said, that's the sender at the rear of the case, near the crancase breather.



Perry, thanks for the input, I have a 70' car and I'm pretty sure, a 70 relay board. Does any of this change having the 914/6 type wiring harness that connects to the ignition switch? I'm referring to the one that has the black plastic circle connector.
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RiqueMar
post May 10 2011, 07:12 PM
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Small update, I'll be running the wiring almost the same and adding the green/black to position 3 on the connector. Just have to figure out the Alternator now!

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1305076340.1.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1305076340.2.jpg)

(IMG:http://www.914world.com/bbs2/uploads_offsite/i16.photobucket.com-9478-1305076341.3.jpg)
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IronHillRestorations
post May 10 2011, 10:16 PM
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For altenator wiring check this other 6 conversion wiring thread. http://www.914world.com/bbs2/index.php?sho...p;#entry1476000
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Cap'n Krusty
post May 10 2011, 11:03 PM
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Permadoom CDI? Last time I saw one of those it was in my trash barrel. Off it, get a quality reman Bosch unit, or switch to one of the more common American made systems.

The Cap'n
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RiqueMar
post May 11 2011, 12:16 AM
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QUOTE(Cap'n Krusty @ May 10 2011, 10:03 PM) *

Permadoom CDI? Last time I saw one of those it was in my trash barrel. Off it, get a quality reman Bosch unit, or switch to one of the more common American made systems.

The Cap'n


But SLITS saiiiiid.... hahahaha.


Different people are telling me to either use one or the other, why is Perma-Tune better than Bosch or Bosch better than Perma-Tune?
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RiqueMar
post May 11 2011, 12:26 AM
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QUOTE(9146986 @ May 10 2011, 09:16 PM) *

For altenator wiring check this other 6 conversion wiring thread. http://www.914world.com/bbs2/index.php?sho...p;#entry1476000



Thank you Perry! That's going to help alot! I think I'll just take the 3 pin connector from the 'donor' harness (the 911 harness). If I need to I can extend it 3 inches, and then re-wrap them into the harness when done.
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SLITS
post May 11 2011, 07:58 AM
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Why is one better than the other? It all has to do with components. Bosch is not perfect by any means.

A Capacitive Discharge Ignition is just that. Some have cheap components, some don't.

Regardless of which one you decide to use, always carry a spare.

or

Buy a Crane Hyfire, MSD 6 or 6AL or whatever ... they all perform the same function as a Capacitor saturates much quicker than a coil.

Also, you do not use a coil ... it's a transformer. Point style ignitions use a coil that is fed 9 - 12 VDC (depending whether the coil is internally resisted or not). A lot of cars used an external resistor to drop 12V to 9V.

A CDI unit feeds the transformer 400 Volts. A "standard" coil won't like that voltage much.

Hell, I'll trade you a Bosch unit for the "Permadoom"..... they're all the same to me.

But then I am not a professional mechanic .... just a backyard, shadetree parts changer ... (IMG:style_emoticons/default/huh.gif)

Maybe the early Permadooms aren't that great ... I've run the silver one, blue one and I don't know if there are any other colors.
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Eric_Shea
post May 11 2011, 10:19 AM
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Please take a picture of your cousin holding the Permatune and the Bosch... then we can decide.
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Eric_Shea
post May 11 2011, 10:21 AM
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Slits... I will trade you a non working Bosch unit for a working one. (I know... generous. It's just the kinda guy I am) (IMG:style_emoticons/default/wink.gif)
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RiqueMar
post May 11 2011, 04:19 PM
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QUOTE(Eric_Shea @ May 11 2011, 09:19 AM) *

Please take a picture of your cousin holding the Permatune and the Bosch... then we can decide.



Just as soon as you get your model to take a picture with the GT calipers you're going to 'donate' to my project! (IMG:style_emoticons/default/biggrin.gif)
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Eric_Shea
post May 11 2011, 04:26 PM
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LOL... you can have Jeff's GT calipers that are in house. Pics to follow. (IMG:style_emoticons/default/biggrin.gif)
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PeeGreen 914
post May 11 2011, 04:31 PM
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Just when you think you're done...wait, there is more..lol
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QUOTE(Eric_Shea @ May 11 2011, 03:26 PM) *

LOL... you can have Jeff's GT calipers that are in house. Pics to follow. (IMG:style_emoticons/default/biggrin.gif)

(IMG:style_emoticons/default/drooley.gif)
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sixnotfour
post May 11 2011, 04:40 PM
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QUOTE
LOL... you can have Jeff's GT calipers that are in house. Pics to follow.


Say What ????????

I have two red permatunes , what you all say about that ?
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SLITS
post May 11 2011, 04:52 PM
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QUOTE(sixnotfour @ May 11 2011, 03:40 PM) *

QUOTE
LOL... you can have Jeff's GT calipers that are in house. Pics to follow.


Say What ????????

I have two red permatunes , what you all say about that ?


Uhhhhh ..... they're Communist?

And Eric, I will trade you 3 non-working 3 pin CDI units + 2 non-working 6 pin units for one FACTORY PERIWINKLE CDI unit. No, you can't paint it 'cause I'll know. It has to be Factory Original.
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RiqueMar
post May 11 2011, 05:06 PM
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QUOTE(SLITS @ May 11 2011, 03:52 PM) *



Uhhhhh ..... they're Communist?


.... damn Commies...

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RiqueMar
post May 11 2011, 05:29 PM
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Ok, so all good on the wiring, just doing the alternator now. Problem is, I see no D+ (IMG:style_emoticons/default/confused24.gif)

Also, there was many more connections when I disconnected this. From the thread Perry was referencing, it's my understanding that I should only have 3 wires from the relay board to the Alternator, is this correct?
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SLITS
post May 11 2011, 07:56 PM
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Yes .... tres, troi, drei, III, 3,

There is a ground strap, but it runs from one of the studs that holds the air guide to back of the alternator to the engine case.

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