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10-22-2011, 09:25 AM
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Timing Light connections
Just asking, is ok to attach red lead on timing light to back of alternator to get power? Any drawbacks? Battery is in trunk. Thanks.
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10-22-2011, 09:38 AM
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Yes you can hook up at the alternator not a problem, that's not where i hook up at but it will work just fine. but since your battery is in the trunk it's fine. JMO
Cole
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10-22-2011, 09:39 AM
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Quote:
Any 'hot' source will work. You could even use a battery that is not connected to the engine being tested. (Spare battery or one that is installed in another vehicle.) The source is only to power the timing light. The signal to 'fire' the light is the only connection that needs to be to the engine being tested. Usually the #1 sparkplug wire.
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10-22-2011, 09:47 AM
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"Any 'hot' source will work. You could even use a battery that is not connected to the engine being tested. (Spare battery or one that is installed in another vehicle.)"
You may have to supply a ground wire to the timing light,from the external battery, if you use an external battery to power the timing light.
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10-22-2011, 09:59 AM
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You can even hook up to jumper cables hooked to a battery will work fine. the power source is what you are looking for anyway. as stated though the alt will be just fine .
 Cole 
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