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understanding relays for hi-amp circuits - ARTICLE

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Old 04-23-2009, 02:11 PM
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understanding relays for hi-amp circuits - ARTICLE

Hello there, friend...
are you tired of melting your wiring??? ... are you sick of smelling burnt insulation ??? ... do you dread turning on your headlights cause it makes your CD player slow down ???

is that where you are, bunkie ???

well friend... what you need is a relay! "A relay ??" you ask " what the heck is a relay ??? " you query... scratching your head in a quizzical way

just pay attention, buddy and read below......your prayers have been answered


http://www.clubfte.com/users/jniolon...ingrelays.html



later
John
 
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Old 04-23-2009, 02:28 PM
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Way cool, John. Thanks. I printed it out.
 
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Old 04-23-2009, 04:35 PM
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Originally Posted by Randy Jack
Way cool, John. Thanks. I printed it out.

Did you read the fine print? You may get some things wacked with wet noodles.

John
There are some diagrams in my gallery of relay setups form the front lights - I stole them somewhere so if you use then blame Smedly_Dunlap.
 
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Old 04-23-2009, 06:16 PM
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Good article, John. Will be a great help to those who are "electrically challenged" Thanks for taking the time to post.

Gil
 
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Old 04-24-2009, 12:48 AM
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Super John....Saved to FTE Favorites!

Thanks
 
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Old 04-24-2009, 02:44 PM
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after talking with someone much more intelligent than I, I've changed the wording with figure #8 to say that the best place for a fuse is between the power source and terminal 30 as the picture shows (but the words don't reflect accurately)

this fuse location will give you protection if either the device or the relay fail (which isn't that uncommon)

everything else is the same

John
 
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Old 04-24-2009, 05:17 PM
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Great stuff. Thanks for posting.
 
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Old 04-24-2009, 09:41 PM
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Good article!

I didn't see any brand names mentioned specifically, but the terminal numbering seems to be based on Bosch relays. I'd just like to point out that in the Euro car world, Bosch relays are considered POS and the cause of many a problem. I've had to open up several of them and they are absolutely the cheapest made stuff you can imagine. I don't know who is better (probably japanese, like Denso or Nippon Electric) but avoid Bosch!! Especially for high-amp stuff.
 
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Old 04-25-2009, 02:57 AM
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Relays, one key is learning the diagram on the side of it and the operation of the tips. Also, watch the VDC so the part stores do not sell you something that will cause headaches later on. But I am just a dumb alabama boy he he .....watch me jig.
 
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Old 04-25-2009, 07:53 PM
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Originally Posted by Last Chance 56
..... But I am just a dumb alabama boy he he .....watch me jig.
there ain't no such thing as a dumb Alabama boy... we know where to live, we know what to drive... and it ain't all about book learnin is it ???

John (another Alabama boy_)
 
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Old 04-25-2009, 09:44 PM
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Your state name is also one of my favorite music groups. chuck
 
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Old 04-25-2009, 10:54 PM
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Thanks a Million John!! I am very challenged when it come to the wiring project that I find myself in at the moment. Your post came at the perfect time. My PHAT56 and I thank you!
 
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Old 04-26-2009, 01:34 AM
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Thanks John, I have a bunch of wire I'm "trying" to do now. This will really help with understanding what I am doing
 
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Old 04-26-2009, 07:31 AM
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Thanks John, that will be handy. You really need an understanding of the bosch relay to troubleshoot most any modern high draw accessory. (My definition of modern being most anything newer than you)

Modifying my headlights to use relays was one of the best electrical improvements on my truck.
 
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Old 05-03-2009, 01:26 PM
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John,

Great article on relays. Brings to mind my days with NY Tell. I was a switchman in the central office. Nothing but 4 floors of relays. WOW

JimG1098
 


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