does Loren repair the cdi units?
i have always received top notch service/quality of repair, compliments of him.

Check here; https://www.systemsc.com/

Ok, time for an update.
I did some more electrical system testing and found that I had CDI 12v with switch but I was sometimes loosing 12V while cranking. I tested voltage at the switch (see pic below)
http://forums.pelicanparts.com/uploa...1610318273.jpg
It turns out the red/black wire will provide 12v with switch on and during crank. The red/yellow wire will provide 12v with switch on but it will cut power while cranking. I located the 12v feed wire of the CDI on the fuse and it was connected on a bank feed from the red/yellow instead of the red/black.

So all the problem is related to 40year wiring hacks from who knows who. Now I got power to the CDI on every single try. And it starts every single time on the first try.

Now why was it doing it intermittent and why it suddenly stoped doing it? I have no idea. It must have been getting power from some other wire connected in a wrong place. I tried to place wires as per Factory Manual and all seems to be in order so far.

Like every electrical problem it was not a single finding, and it took a lot of testing and troubleshooting. The old 8-pin digital CDI is probably in good condition, but I am using a 6-pin now and plan to keep it that way so I can swap with the SC in case one of them goes bad.

Anyone with a 77 turbo that can provide me a couple of pictures of the fuse box. I believe all is good, but it will be nice to compare with another car just to make sure before I start the modern fuse conversion.

Thank you all for all the feedback and directions, and sorry but there was no official winner, just a lot of electrical troubleshooting on my end.

Congratulations on your persistence, if you took it to a shop they would have done the same as you and charged 100$ an hour for it.

Good news. Happy to be wrong!

Which fuse panel are you asking for - the one in the front, or engine compartment ?
If this helps you, what's my percent of the $100 ?;)
Bill K

Relays can go intermittent before they die altogether.


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Good job. Way to stick with it!

if you think about it the money should go to this person ...he called it but i do not see any follow ups by you..

Ivan

Agreed!

Anyone who would actually take money from someone else on this board helping them troubleshoot over the internet really doesn’t belong on this board. I’m sure we all leaned in to help the guy out, not for a crummy $100, lol.

Ken..we are innocent dude..it was his idea;-))))))))))))))

Ivan

So a broken promise is okay with you?

Never. Your point is a fair one... he should offer because he said he would. No argument. What I’m saying (and I see now Brian Bodart said something along the same lines up a few posts) is I’d hope none of us would take his money.
I’m out. Glad OP tracked it down.

He was was close to the area but in reality it was a fuse box wrong wiring caused from old shade tree mechanics moving things around with out the manual. Wrong wires connected on wrong places on the fuse box.

Today I also confirmed the source of the intermittent problem was from a bad Air Conditioner relay that for some reason was powering the CDI 12v lead by mistake in the fuse bank. It was intermittent until it died so the car never started and I assumed the CDI finally died (wrong).

I had to removed most of the wires from the fuse box fuses 16 to 21 and go one by one to isolate the problem. If anyone gave this solution I will be happy to send them the bounty. :)

Wait, Wait....I get a shot....this should fix it

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Hey Bill. A couple of good front fuse box pics will really help.
I will check with overstock what is the going rate for fuse box pics:)

Thanks
Ivan

Ivan....not sure exactly what you're looking for.
Let me know if you need more.

The extra red wires were added as I hardwired the radio, added a fan to the oil cooler, added an adapter for my Garmin, and powered the antennae on a separate circuit.

Bill K

http://forums.pelicanparts.com/uploa...1610468211.jpg

http://forums.pelicanparts.com/uploa...1610468236.jpg

Your perseverance is commendable.

I was miffed at a few fuse amp ratings being in the wrong place on my electrical panels, lucky dog me it could have been worse and rewired like yours.

Continue without guilt and know that people in the forum would have helped you either way.

Bill those are perfect!
It will help me identify if I have any other wire out of place.
Thanks
Ivan