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> Porsche 914 Starter/Wiring/Vacuum Hose Questions, Wiring and Vacuum Hose Questions
91422.7
post Mar 29 2015, 09:12 PM
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Having problems getting the starter to engage! I have a 1970 Porsche 914 which I've just installed a 1975 914 2.0L F.I. engine. I've attached a photo of the starter hookup. It appears from the starter solenoid there is a blue wire or red/black wire that suppose to go to the ignition switch! Does that wire actually go to the Fuse Relay Block Panel first then on to the ignition switch? Question #2: from the picture you can see the Air Aux Regulator which has 2 outlets, one comes from the air breather, where does the other one go? Question #3: One of the injectors slides in and out pretty easy, the other 3 don't, is that because the one has a faulty inner rubber seal? Question #4: Is there a problem using the 1970 Fuse Relay Block (Engine Compartment) since I'm using a later model (1975) 2.0L F.I. engine or do I need to upgrade to a FRB out of a 1975 914? Thanks again for all your help!


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isdyl
post Nov 8 2018, 04:32 AM
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Hi - Sorry to resurrect an old thread but I'm having a similar starting problem which I think is due to a voltage drop between the ignition switch and the starter solenoid (yellow wire). It starts sometimes fine, but other times there is a short delay with the key held in the 'crank' position, and sometimes nothing at all. I was thinking of installing a 4-pole solenoid to eliminate the problem which I have done on a VW camper with success, but am just thinking of trying to clear any poor connections first. From what I can see the yellow wire from the starter solenoid goes back to the Regulator Plate. Please see attached a pic of my plate which is in a pretty dirty condition. I just wondered if anyone could tell me which wire/plug goes from the Reg Plate back to the ignition switch please? Also I should add that the car has been converted to carbs so thats why not all wires are present on the plate.
Many thanks


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dr914@autoatlanta.com
post Nov 8 2018, 08:48 AM
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usually if there is a delay the ignition switch may be bad, when you have voltage drop, the starter either clicks or instantly has voltage to the yellow wire but does not engage the starter


QUOTE(isdyl @ Nov 8 2018, 03:32 AM) *

Hi - Sorry to resurrect an old thread but I'm having a similar starting problem which I think is due to a voltage drop between the ignition switch and the starter solenoid (yellow wire). It starts sometimes fine, but other times there is a short delay with the key held in the 'crank' position, and sometimes nothing at all. I was thinking of installing a 4-pole solenoid to eliminate the problem which I have done on a VW camper with success, but am just thinking of trying to clear any poor connections first. From what I can see the yellow wire from the starter solenoid goes back to the Regulator Plate. Please see attached a pic of my plate which is in a pretty dirty condition. I just wondered if anyone could tell me which wire/plug goes from the Reg Plate back to the ignition switch please? Also I should add that the car has been converted to carbs so thats why not all wires are present on the plate.
Many thanks
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Posts in this topic
91422.7   Porsche 914 Starter/Wiring/Vacuum Hose Questions   Mar 29 2015, 09:12 PM
Jeff Bowlsby   Two issues I see: That big yellow wire on the ign...   Mar 29 2015, 10:27 PM
91422.7   Two issues I see: That big yellow wire on the ig...   Mar 29 2015, 10:44 PM
SLITS   The item in your last image is the AAR (auxiliary ...   Mar 30 2015, 06:52 AM
91422.7   I forgot the wiring harness that runs from the sta...   Mar 30 2015, 09:11 AM
Jeff Bowlsby   Lose the relay gobbledegook. Hook it up correctly...   Mar 30 2015, 09:34 AM
91422.7   Lose the relay gobbledegook. Hook it up correctl...   Mar 30 2015, 10:29 AM
Kansas 914   Lose the relay gobbledegook. Hook it up correctl...   Mar 30 2015, 10:38 AM
SLITS   I disagree with you two experts. The relay takes ...   Mar 30 2015, 11:01 AM
Elliot Cannon   I agree with SLITS (did I just say that)? I'v...   Mar 30 2015, 11:09 AM
Jeff Bowlsby   OK you guys....I never professed to be an expurt i...   Mar 30 2015, 12:27 PM
isdyl   Hi - Sorry to resurrect an old thread but I'm ...   Nov 8 2018, 04:32 AM
barefoot   Hi - Sorry to resurrect an old thread but I'm...   Nov 8 2018, 06:53 AM
dr914@autoatlanta.com   usually if there is a delay the ignition switch ma...   Nov 8 2018, 08:48 AM
isdyl   Great diagram - Thanks!   Nov 8 2018, 08:08 AM
isdyl   Thanks - I'll check that out too. Regards Dyla...   Nov 8 2018, 11:42 AM
isdyl   Hi - no it's not the ignition switch as I took...   Nov 9 2018, 05:41 AM
isdyl   Ok, so I cleaned up the two large plugs on the pla...   Nov 9 2018, 11:20 AM


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