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> Giving up on ignition switches, Need wiring diagram, Bought a universal starter/ignition switch..
Andyrew
post Jun 1 2011, 09:54 PM
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So my 3rd replacement ignition switch started tweeking out on me. Im tired of this. This is not a stock 914 so I decided to get an aftermarket switch. 10 bucks at Autozone and I have a switch that I doubt i will ever break.

So I pull the wiring which I have become so familar with and see that there are 6 prongs on it. One obviously ground(Black), One obviously power(red, thick), One keyed power (red, thinner), and one obviously starter(yellow).. But then I see 2 other small wires, a white, and a white/brown. Where do these suckers go? There is no accessory switch to the 914 so I doubt anything can go there, Are they the wires that are keyed power or say a relay? How do I wire this on a 4 prong switch??? I would think that the two smaller wires just go on keyed power, but I'd hate to do it and be wrong.


Thoughts?

Thanks all.
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r_towle
post Jun 1 2011, 10:38 PM
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#26 on diagram two, "steering column switch"

If you have a 73, the logic circuit is under the passenger seat, or you need to at least look at that part of the diagram to account for the yellow wire.

Rich
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Andyrew
post Jun 1 2011, 11:04 PM
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QUOTE(r_towle @ Jun 1 2011, 09:38 PM) *

#26 on diagram two, "steering column switch"

If you have a 73, the logic circuit is under the passenger seat, or you need to at least look at that part of the diagram to account for the yellow wire.

Rich



I saw 26 but there are to many wires on that diagram to make any sense.. Im looking at it now and see black, red, grey, red yellow in one small switch section on 26.. Which makes sense. But I dont see where the other 2 wires come into play...


I ran an ohm meter to all the wires to ground and black, yellow, small red and they all showed continuous to ground, which worries me. The 2 little wires and power didnt show continuous to ground.


So I am a little stumped, I thought I had it figured out till the point I checked ohm to all the wires..
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Mike Bellis
post Jun 1 2011, 11:13 PM
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QUOTE(Andyrew @ Jun 1 2011, 10:04 PM) *


I saw 26 but there are to many wires on that diagram to make any sense.. Im looking at it now and see black, red, grey, red yellow in one small switch section on 26.. Which makes sense. But I dont see where the other 2 wires come into play...


I ran an ohm meter to all the wires to ground and black, yellow, small red and they all showed continuous to ground, which worries me. The 2 little wires and power didnt show continuous to ground.


So I am a little stumped, I thought I had it figured out till the point I checked ohm to all the wires..

You cannot ohm out a complete circuit. By that I mean; The yellow wire goes to the starter, through the solenoid which is grounded. Same with the coil and so on. You need to open the connection at each device in order not to read ground. You will be fine.
Red= power into switch
red= switched power on
Black= switched ignition power
Yellow=starter

Really all you need. You are thinking too hard...
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Posts in this topic
Andyrew   Giving up on ignition switches, Need wiring diagram   Jun 1 2011, 09:54 PM
tradisrad   go here and find your year and wiring diagram. Gr...   Jun 1 2011, 09:59 PM
Andyrew   I know its usually brown, but its obiously not in ...   Jun 1 2011, 10:05 PM
r_towle   #26 on diagram two, "steering column switch...   Jun 1 2011, 10:38 PM
Andyrew   #26 on diagram two, "steering column switch...   Jun 1 2011, 11:04 PM
kg6dxn   I saw 26 but there are to many wires on that dia...   Jun 1 2011, 11:13 PM
NORD   In the center tunnel there is a wire, don't re...   Jun 1 2011, 10:47 PM
kg6dxn   The black wire is the ignition hot lead. the 2 sma...   Jun 1 2011, 11:00 PM
Andyrew   OK so lets put this down. NEW SWITCH -------- 91...   Jun 1 2011, 11:07 PM
kg6dxn   OK so lets put this down. NEW SWITCH -------- 9...   Jun 1 2011, 11:15 PM
Andyrew   OK so lets put this down. NEW SWITCH -------- ...   Jun 1 2011, 11:18 PM
kg6dxn   So what your saying is im right? :wacko: I j...   Jun 1 2011, 11:23 PM
chrispy   Doesn't one wire go from the switch to the hea...   Jun 1 2011, 11:18 PM
914Mike   So my 3rd replacement ignition switch started twe...   Jun 1 2011, 11:27 PM
Andyrew   MMMMkay... On my testing zone I had the little red...   Jun 1 2011, 11:57 PM
Andyrew   So I disconnected the yellow wire and tried the ke...   Jun 2 2011, 12:01 AM
Andyrew   WTF I disconnect the switch and check it out. Loo...   Jun 2 2011, 12:18 AM
messix   its not hitting "ground" its conducting ...   Jun 2 2011, 12:31 AM
Andyrew   its not hitting "ground" its conducting...   Jun 2 2011, 08:58 AM
jcd914   It sounds like you are trying to connect the after...   Jun 2 2011, 01:21 AM
Andyrew   It sounds like you are trying to connect the afte...   Jun 2 2011, 09:06 AM
Cap'n Krusty   I've probably installed a couple of hundred af...   Jun 2 2011, 10:03 AM
Andyrew   Captn, Yes the aftermarket switch is clearly lab...   Jun 2 2011, 10:34 AM
r_towle   pull the wire from the battery POSOTIVE terminal.....   Jun 2 2011, 10:43 AM
Andyrew   I'll give it a test tonight. Battery is kickin...   Jun 2 2011, 10:54 AM
Cap'n Krusty   I'll give it a test tonight. Battery is kicki...   Jun 2 2011, 11:17 AM
r_towle   cant ohm the red wire while its connected to the b...   Jun 2 2011, 11:03 AM
Andyrew   Well I can say that that relay is LONG gone... Sea...   Jun 2 2011, 11:14 AM
r_towle   reminds me of my plow truck...a dual battery diese...   Jun 2 2011, 11:21 AM
Andyrew   Rick, Cables are under 5 years old. Starter has ...   Jun 2 2011, 11:43 AM
Andyrew   Pulled the positive cable from the battery and sep...   Jun 2 2011, 12:51 PM
914Mike   Pulled the positive cable from the battery and se...   Jun 2 2011, 01:22 PM
Cap'n Krusty   The wires have to be disconnected at BOTH ends for...   Jun 2 2011, 01:24 PM
Andyrew   914Mike, I see. That makes sense. Actually the...   Jun 2 2011, 02:13 PM
Tom   Andyrew, Did you remove the positive battery ...   Jun 2 2011, 04:31 PM
Andyrew   Tom, No, I didnt disconnect the positive battery...   Jun 2 2011, 04:45 PM
Andyrew   For shits and giggles i installed the wiring again...   Jun 2 2011, 07:38 PM
kg6dxn   Test the continuity of your switch (ohm out) Powe...   Jun 2 2011, 08:04 PM
Andyrew   Mike, this is what i tested last night (multiple t...   Jun 2 2011, 08:23 PM
Andyrew   Mike, this is what i tested last night (multiple t...   Jun 2 2011, 08:35 PM
Andyrew   Ooook.. I just tightened the bolts down but left t...   Jun 2 2011, 08:40 PM
kg6dxn   Have you tried to hot wire your car? Just to see i...   Jun 2 2011, 09:00 PM
Andyrew   Defective. The starter terminal worked itself loos...   Jun 2 2011, 09:01 PM
kg6dxn   Damn Chinese parts...   Jun 2 2011, 09:05 PM
Andyrew   Mike, yes i test all functions of the key switch w...   Jun 2 2011, 09:34 PM
Andyrew   Drove to work! :trophy:   Jun 3 2011, 08:32 AM
porscheless   Andy, Glad you got your car sorted; the OEM...   Jun 3 2011, 09:11 AM
NORD   Glad its fixed :headbang: :driving:   Jun 3 2011, 09:00 AM
Andyrew   Joe, where did you get your OEM switch? Porsche?   Jun 3 2011, 09:16 AM


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