260 Generator to Alternator Conversion - Page 2 - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #16 of 19 (permalink) Old 07-14-2013, 04:13 PM Thread Starter
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Re: 260 Generator to Alternator Conversion

Now we're talking. I was putting pieces together from other posts but have not seen these wiring diagrams. You guys are the best, much thanks.
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post #17 of 19 (permalink) Old 09-08-2013, 11:25 AM Thread Starter
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Re: 260 Generator to Alternator Conversion

First, I want to thank everyone for the help so far. I've completed the conversion and everything seems to be working great!

My only remaining task is to wire in a resistor to the GEN lamp. I'm figuring I just splice the resistor between the two wires going into the GEN light, but have two questions.

1) I ask the above because I read the two wires would be BLK/GRN (Ignition) and GRN/YLW (Regulator). The two wires feeding into the GEN light on my car are BLK/GRN and YLW/BLK, is this still correct?

2) I could not find the wattage listed in any of the forum pages. Radio Shack has a 1/2W 560, is this sufficient?

Thanks again
-D
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post #18 of 19 (permalink) Old 09-08-2013, 04:03 PM
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Re: 260 Generator to Alternator Conversion

I didn't re-read the thread, but if it's a Ford 3G alternator, that should work. The earlier Ford alternators need much less resistance.

David


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post #19 of 19 (permalink) Old 09-11-2013, 12:03 PM
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Re: 260 Generator to Alternator Conversion

Quote:
Originally Posted by Delvis View Post
First, I want to thank everyone for the help so far. I've completed the conversion and everything seems to be working great!

My only remaining task is to wire in a resistor to the GEN lamp. I'm figuring I just splice the resistor between the two wires going into the GEN light, but have two questions.

1) I ask the above because I read the two wires would be BLK/GRN (Ignition) and GRN/YLW (Regulator). The two wires feeding into the GEN light on my car are BLK/GRN and YLW/BLK, is this still correct?

2) I could not find the wattage listed in any of the forum pages. Radio Shack has a 1/2W 560, is this sufficient?

Thanks again
-D
One source says to start with an 8K resistor and to work up in 8K increments. Another source says to use a 500 ohm resistor. You can try the 560 ohm from radio shack and see how it works.

From 65 up the falcon and maybe some others already have a 15 ohm resistance wire in parallel with the charge lamp. Which still may work just fine. To increase those to a higher resistance would require cutting that wire and splicing in a new value at the bulb or in series with that wire.

As long as you splice the resistor to the leads to the bulb it should work. Doesn't matter what color the wires are.
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