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1970 Chrysler Electrical function and upgrade

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=48875
Printed Date: October-05-2024 at 6:27pm


Topic: 1970 Chrysler Electrical function and upgrade
Posted By: moker
Subject: 1970 Chrysler Electrical function and upgrade
Date Posted: June-17-2020 at 4:20pm
I put a bit of work into this boat in the last few month and is well deserved. Everytime we go out I always bring an extra battery and cables just in case.
I have looked into having the existing alternator refurbished but not even sure how it works with the alternator, resistors and regulator. This system actually works in this boat as is and continues to work. I am always in fear of it failing at some point. I like to upgrade it and keep it looking original maybe even leave the old pieces on the engine. I know there are many creative people on this site or at least tell me how this works for piece of mind. Times like this I miss my grandfather who could explain this old technology to me. Currently everything is working as it should. I am ready to install new battery cables and update the electrical to give me piece of mind out on the water. This is my first post so let me know if I did something wrong.

Thank you
Marc

https://photos.app.goo.gl/cZ7RLk5w36a6yxxp6



https://photos.app.goo.gl/cZ7RLk5w36a6yxxp6[/IMG]

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Marc



Replies:
Posted By: 8122pbrainard
Date Posted: June-19-2020 at 6:32pm
Marc,
I feel you may be overly paranoid. Has the electrical failed you yet? There are plenty of vintage Chrysler's out there running fine. What's your ammeter have to say?

https://photos.google.com/share/AF1QipMLQC6X32GNJixm56_s0Ur2u0IsvdD0YM7jbxtZa_5okvsvFAsy5ljfhvAny6NutQ?key=X095SmZtRXZEbWRGRl8tcXpIZTNlVHhsYjltQ3JB" rel="nofollow - Here's a link to you pictures

http://www.correctcraftfan.com/Downloads/Chrysler%20Marine%20Engine%20Manual.pdf" rel="nofollow - Here's a link to the 67 Chrysler manual It may give you an idea of how their system works. Being a 67 there may be some minor differences.

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: moker
Date Posted: June-19-2020 at 6:37pm
runs perfect and charges at 13.5v.   those two resistors Look scary to me being 50yrs old now. Same as me. Ha, I just look at them and think i can make it better.

So your saying bring my spare battery and be happy.

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Marc


Posted By: 8122pbrainard
Date Posted: June-19-2020 at 6:40pm
Originally posted by moker moker wrote:

runs perfect and charges at 13.5v.   those two resistors Look scary to me being 50yrs old now. Same as me. Ha, I just look at them and think i can make it better.

So your saying bring my spare battery and be happy.

No, I'm saying you don't need the spare battery. What resistors are you worried about?

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: moker
Date Posted: June-19-2020 at 6:43pm
Manual is awesome. Thanks, Thinking the old technology may be the most reliable!!

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Marc


Posted By: 8122pbrainard
Date Posted: June-19-2020 at 6:46pm
Marc,
The Chrysler marine is a well thought out and reliable engine.

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: moker
Date Posted: June-20-2020 at 12:34am
There is one on top by the coil and the other big box looks to be a voltage regulator from the manual. I am planning to look up the numbers tomorrow and maybe just replace them.

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Marc


Posted By: 67 ski nat
Date Posted: June-20-2020 at 11:37am
I suppose you could just carry the spare regulator with you in backpack and keep eye on volt meter occasionally
My previous owner put a ONE wire automotive alternator on my 67
I switched it out for a safer marine one wire type



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