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Intermittent Starting Problems - Mysterious Cause Identified and Fixed

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Old Sep 15, 2016, 11:28 PM
  #226  
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Originally Posted by Sascha
Very interesting, sounds like my problem.

Sometimes the Evo starts at first try. Then it takes 2-20 tries and all i hear is a click from the engine bay but no crank. Then suddenly it works like nothing happened

I´ll try it! Thank you!
So, i removed the plastic around the steering and i sa that the switch moves slightly and i saw the spark in the switch beneath.

Now i just have to get a screwdriver who will fit in, cause the dash is in the way, so another trip to home depot for a screwdriver who bends
Old Sep 16, 2016, 06:35 AM
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^ get a lil screw driver should work fine.
Old Sep 16, 2016, 01:58 PM
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This is what I ended up getting. It worked perfectly:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Sascha (Sep 22, 2016)
Old Sep 17, 2016, 05:42 AM
  #229  
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Originally Posted by McLaren F1 2003
So to splice in the new HD relay, I'd cut both wires and solder both wires to their respective ends on the new relay?

So both wires on the pin #5 side (to the left in my pic) to wire 85 on the new relay? And both wires on the other side (to the right in my pic) to wire 87 on the new relay?
[/QUOTE]

Had this same dilemma with the two wires. I actually tied the wires wrong so i had to re do everything again because the car would not start. So after looking at what was posted above i then did the same. But when i did that i crossed the wires so when i started the car i heard a noise coming from the starter lower area so I quickly took the terminals off the battery. So i then changed the wires around and the car started up on the dime. I have to go back to the garage to finish up the job. Will keep everyone posted.
Old Sep 17, 2016, 07:06 AM
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So i went back to the car to try and figure this out but im having a lil issue

Car turns on fine with relay on right but im getting this noise.

So i took the connections from the relay off and started the car without it and i get no noise no nothing.

It's Like once i shut the car off the battery is still giving the starter power.

Relay i bought
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Last edited by rhd-jon; Sep 17, 2016 at 07:14 AM.
Old Sep 17, 2016, 09:09 AM
  #231  
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I mistakenly wired it up directly to the battery i need to find another source to wire it too
Old Sep 17, 2016, 02:17 PM
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Tried using the Cigarette lighter as another source but no luck seems like that's not a good spot
Old Sep 17, 2016, 06:39 PM
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So after all the back and forth i fcked up and wired it all wrong. Tomorrow ill fix the issue and keep everyone posted
Old Sep 18, 2016, 01:34 PM
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Unfortunately I could not continue with this set up. For some reason after fixing the issue the right way i seem to be getting power to the starter as soon as i pull the 30 to bat+ it then stops.
Old Sep 18, 2016, 01:42 PM
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That cannot happen unless something elsewhere is screwed up such that pin 85 has power full time (should have power only when starting), or the relay is wired incorrectly. So long as the starter circuit functions and the relay is wired correctly, what you describe cannot happen.

What I suggest you do is disconnect pins 85 and 86. Keep 87 wired to the starter, and then connect 30 to the BAT +. You should not hear the starter engage. If you do, either you (a) have a bad relay, or (b) are confusing pin 87a with 87. There are only finite possibilities.

If you do this and the starter does not engage as expected, then you check what you wired to 85. That should only be energized when the starter is engaged by turning the key with clutch depressed, and should not get power at any other time.

Last edited by Ted B; Sep 18, 2016 at 01:49 PM.
Old Sep 18, 2016, 04:37 PM
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Ok ill do that.
Old Oct 4, 2016, 12:56 PM
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Update on my fix - It's been a month now since I replaced the Key switch and starter relay:

https://www.evolutionm.net/forums/ev...l#post11660407

My car has started reliably ever since - WELL Worth the $50 Amazon purchases.


John-
Old Oct 18, 2016, 11:01 AM
  #238  
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So I posted this thread yesterday: https://www.evolutionm.net/forums/sh...errerid=222804


but after doing a search, I may be having the same problem, I wouldn't classify it as intermittent since we have never been able to get it to start..but haven't tried 30 times in a row to start it. I can't get it to turn over by putting the ignition switch in my hand though.
Old Aug 3, 2017, 10:41 PM
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Having the same problem. Quick question. how and where is the starter grounded?
Old Aug 4, 2017, 12:43 PM
  #240  
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The factory starter solenoid is grounded to the starter with a strap at one of its two large terminals (the other is B+), and the starter case is grounded via contact with the engine/transmission.


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