S/p 123 dizzy install NOW starter wont stop cranking - Alfa Romeo Bulletin Board & Forums
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post #1 of 20 (permalink) Old 06-08-2014, 08:01 AM Thread Starter
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S/p 123 dizzy install NOW starter wont stop cranking

Hi,

I have searched for this on the bb and in google but found nothing. I installed my 123 distributor yesterday. When I attempted to crank up the motor i had no response from the car , not even a spudder. And the starter just kept on cranking even with the the key in the off position.


Any advice?
Have I screwed something up.


Thanks
Vic
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post #2 of 20 (permalink) Old 06-08-2014, 08:40 AM
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This might be part of the problem if you have a SPICA car: http://www.alfabb.com/bb/forums/carb...back-loop.html

Ed Prytherch
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76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #3 of 20 (permalink) Old 06-08-2014, 09:10 AM Thread Starter
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Yes this car does in fact have SPICA.Thanks for the direction. I will try that and report back.

Is this because of the new coil? When i installed the new coil I did not attach the little piggy back module on the Blue coil. I read it had it built in?

Obviously I am over my head here but I am eager to work through this.

THANK YOU!!
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post #4 of 20 (permalink) Old 06-08-2014, 09:55 AM
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It looks like two different problems to me.
The blue coil does not need a ballast resistor.
There may have been two wires going to your coil before, a green one and a green/black one. The green/black is the one that should be connected to the +ve of your new coil. The green one is not used and you should tape the end so that it does not short anything.
The red wire from the 123 also goes to the +ve of your coil and the black wire from the 123 goes to the -ve of the coil. If you have an electronic tach, that also goes to the coil -ve.
If the car does not start, connect one of your plug wires into the coil HT, bypassing the distributor. Lay the plug on top of the valve cover and crank the motor and see if you have sparks. Then report back.

Ed Prytherch
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76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #5 of 20 (permalink) Old 06-08-2014, 10:03 AM
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One more thought - if you connected the green and green/black wires together that would power the starter whenever the ignition was on and maybe drop the voltage at the coil so that the 123 would not work.

Ed Prytherch
79 Spider
76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #6 of 20 (permalink) Old 06-08-2014, 12:36 PM Thread Starter
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alfaparticle,
I removed the wire to the CSS. car starter cranked and stopped with the key. I have attached photo of my starter

I will pull a plug and do as you suggested to look for a spark.

I will report back
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post #7 of 20 (permalink) Old 06-09-2014, 09:51 AM Thread Starter
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Moving the wire did resolve the situation with the starter running on. THANK YOU!

I must be way off with my static timing . I still cant get her started.. I think I have spark because after cranking it over I got a big back fire once...
I will double the timing and try again.

Vic
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post #8 of 20 (permalink) Old 06-09-2014, 10:02 AM
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You timed it using the LED on the distributor, right? That should have gotten you very close.

Tom

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post #9 of 20 (permalink) Old 06-09-2014, 10:18 AM Thread Starter
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yes I used the LED.
But after re reading the instructions this am again it was not clear to me what way to rotate the body of the distributor initially.

if the rotor spins clockwise should the initial turning of the distributor body be CCW until LED goes off and then CW until LED go back on?? or vice versa
It was late last night and kids / wife wanted me in the house... I might have goofed up during this step.
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post #10 of 20 (permalink) Old 06-09-2014, 10:24 AM
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It's in the instructions, but IIRC with a CW rotor you turn the body CCW until the light just comes on.

Tom

1963 Giulia Spider (1750 engine)
1974 GTV
1991 Spider
Former: 1987 Milano Gold
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post #11 of 20 (permalink) Old 06-09-2014, 12:23 PM
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Quote:
It's in the instructions, but IIRC with a CW rotor you turn the body CCW until the light just comes on.
That is correct.
It sounds like you may have the distributor 180 degrees out. Pull out #1 spark plug and rotate the engine until the piston is at top dead center and verify that the valves are closed - you can see them open and close if you shine a flashlight into the plug hole. Now remove the distributor cap and verify that the rotor is pointing at the #1 spark plug wire.

Ed Prytherch
79 Spider
76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #12 of 20 (permalink) Old 06-10-2014, 07:53 PM Thread Starter
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Thank you all for your help. Got her running. I was in fact 180 out. Car runs very well now. Love the 123!
Vic

Last edited by vlagana; 06-10-2014 at 07:54 PM. Reason: Typo
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post #13 of 20 (permalink) Old 06-10-2014, 08:09 PM
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You are not the first person to make that mistake and you won't be the last.

Ed Prytherch
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76 Suzuki GT500
2011 Jaguar XKR

A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke
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post #14 of 20 (permalink) Old 06-10-2014, 08:55 PM
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So what caused the sudden starter run-on problem that was fixed by moving the CSS wire? I wouldn't think that the changes Vic did make would have affected any of that.
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post #15 of 20 (permalink) Old 06-10-2014, 09:10 PM Thread Starter
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Apperantly, the CSS can provide "feedback" energy to the starter solenoid. I moved both wires first and the did not work. Starter just spun and solenoid never engaged the gear. I split the CSS wire and mounted to the 13mm nut and it resolved the issue. I was on the the phone with Rich Goodrich today and he confirmed this can happen.
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