1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

Code 46?

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Aug 19, 2008 | 07:18 PM

#1

wheelo90

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Joined: Jan 2006

Posts: 383

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From: Crooksville Ohio

Code 46?

My check engine light came on today, so when I got home, I cycled the key and pulled the code 46. Checked my junk shop manual and all it tells me is that charging system voltage is too high.

Would it be a Regulator or an alternator or neither. How can I test the regulator?
thanks!

Wheelo

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Old

Aug 20, 2008 | 05:28 PM

#2

wannadiesel

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Joined: Mar 2003

Posts: 22,594

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From: New Holland, PA

Check the charging voltage first.

The PCM is the regulator.

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Old

Aug 20, 2008 | 06:31 PM

#3

Dean Snow

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Joined: Aug 2007

Posts: 755

Likes: 2

From: Haysville PA 16041

If that the problem im pretty sure there is an article in the Sticky about converting to an external regulator.

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