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voltage drops after rev

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Old Mar 4, 2011 | 07:55 AM
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From: Jeddah
Default voltage drops after rev

the voltage drops momentary while the rpm is going down after a rev on neutral,,

anyone heard about that before?

99 C5 MN6
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Old Mar 4, 2011 | 08:19 AM
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Sounds like you're really struggling to find something wrong.
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Old Mar 4, 2011 | 08:21 AM
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Indeed!
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Old Mar 4, 2011 | 08:31 AM
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believe me,, this vette is all wrong,,
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Old Mar 4, 2011 | 08:34 AM
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Originally Posted by kj217
the voltage drops momentary while the rpm is going down after a rev on neutral,,

anyone heard about that before?

99 C5 MN6
How much of a voltage drop to you see? Does it drop with an RPM dip?
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Old Mar 4, 2011 | 08:37 AM
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From: Jeddah
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Originally Posted by lucky131969
How much of a voltage drop to you see? Does it drop with an RPM dip?
it drops to 10-11v,, no rpm dip,, voltage drops while the rpm is normally going down,,
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Old Mar 4, 2011 | 02:35 PM
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Where are you reading this so called VOLTAGE DROP reading??????

If it on the DIC/IPC Volt meter, YOU ARE NOT reading actual battery voltage. Your reading the voltage AFTER the IGNITION SWITCH>

READ the voltage directly on the battery terminals and see what its doing.

IF,, your seeing a voltage drop there, you either have:

1. POOR connection on the BATT wire on the back of the alternator.

2. POOR connection on the STARTER SOLENOID (The alternator charge wire connects there and them goes to the battery.)

3. POOR contact.connection on the battery terminals. Can you move the terminals by hand?? If so,,, thats a problem!!

BC
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Old Mar 4, 2011 | 02:38 PM
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If all the above checks out good,,,

Numerous C5 owners are starting to see many defective ignition switch issues. Heres an entire post on that very topic. Check it out:


-C5 ignition Switch repair - http://forums.corvetteforum.com/c5-t...ch-repair.html
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Old Mar 4, 2011 | 04:09 PM
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From: Jeddah
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thanks Bill for the info,, i will check all the points and let you know,,
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