How do I test the Rectifier/Regulaor on a 1994 Honda 300 Fourtrax!!!! - Honda ATV Forum
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post #1 of 4 (permalink) Old 10-05-2011, 07:48 PM Thread Starter
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How do I test the Rectifier/Regulaor on a 1994 Honda 300 Fourtrax!!!!

Good evening guys I could use your help again I want to test the Rectifier/Regulator on my 1994 Honda 300 Fourtrax 4x4. I went to the Clymer book to get instructions but it only explains how to test a 93 or earlier the test prodecure it talks about is a three wire which is red, black and green but on the 94 I only have a two wire connection and that is I just have a red and green wire so I can't test it lit lt says to test it in the book becase I don't have a black wire coming out of the regulator. I checked with the switch off across the red and green and I have battery voltage about 12.5 volts so what else do I need to do to make sure I don't have a bad recitifier/regulator I have a new CDI coming and I don't want to put it in and have a bad regulator blow it out so I need to make sure the regulator is good. Thanks in advance guys you have been alot of help with this bike and I have learned alot. Gary
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post #2 of 4 (permalink) Old 10-05-2011, 08:10 PM
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Did you try the '88-'94 Honda factory service manual that you can download from the manuals/schematics section of the forums? I think it has a few tests for the regulator/rectifier. I always just start the engine and measure the voltage at the battery. If it's charging properly, the voltage should increase as you rev the engine. It should show about 13-15 volts.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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post #3 of 4 (permalink) Old 10-05-2011, 08:30 PM Thread Starter
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Helmut it says I need a password to open that manual so I can download it? Where do I get the password?
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post #4 of 4 (permalink) Old 10-05-2011, 08:41 PM
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Quote:
Originally Posted by gln97058 View Post
Helmut it says I need a password to open that manual so I can download it? Where do I get the password?
The password is Hondaatvforums.net.

Most 4-wheeler problems are caused by a loose nut connecting the handlebars and the seat!!

You only need two tools in life -- WD-40 and duct tape. If it doesn't move and should, use the WD-40. If it shouldn't move and does, use the duct tape.
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