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Author Topic: CDI Led indicator???  (Read 1149 times)
Supra35757
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Posts: 17
« on: April 21, 2007, 01:45:24 PM »
Hey guys, my MK4 TT supra will not start now after the winter hibernation. I am getting fuel but zero spark. I ran a voltage check on most of the major parts and checked all the inline fuses. I went to check the CDI box and the LED indicator does not light up when the key is in the "ON" position or even when I am cranking the car. The box itself is getting juice, so I have pretty much narrowed it down that is has to be the CDI box. I just wanted to make sure that the LED is suppose to be lit when the key is in the ON position or when at least cranking.
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Supra35757
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Posts: 17
« Reply #1 on: April 25, 2007, 06:14:56 AM »
Nobody knows this??  huh
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mx5
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Posts: 966
« Reply #2 on: April 26, 2007, 07:08:52 AM »
ABout the LED:

The LED is off when the key is at on

IIRC:
When cranking it is flashing on every ignition event - but it is faint (the ignition events being so far apart) so you most likely won't notice it
But once your engine starts you'll see it pulsing
« Last Edit: April 26, 2007, 07:10:26 AM by mx5 » Logged
'94 Mazda Miata, engine control setup: AEM EMS 1710, AEM TwinFire with COP in direct fire config, AEM 2bar MAP sensor, Tech Edge WBO2A
TRD2000GT
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« Reply #3 on: October 24, 2009, 07:14:50 PM »
and if the CDI LED Doesn't pulse or light up? Sad
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