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how to check voltage to coil packs

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Old 08-02-2009, 10:32 PM
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Default how to check voltage to coil packs

help me
Old 08-03-2009, 02:25 AM
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Because its a switched signal, you either need an oscilloscope or a peak-n-hold DAT meter. It pulses for about 3ms.
Old 08-03-2009, 08:28 PM
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Moved from Advanced Tech to General Maintenance.
Old 08-04-2009, 08:02 PM
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To check the "voltage" you need to unplug a connector at a pack or go to the white main harness and get a volt meter..turn the key to run...put the black ground wire on the negative (-) of battery and the red power wire to one of the pins in the connector. I want to say it's a pink wire but not sure, I think its the same color for all the other colors though. to check if the coil is firing is what MNR is talking about.....

If you're having a problem with the coils, check the 2 ground wires that bolt to the back of the driver side? head....Without them on it will not Start...I learned the hard way haha



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