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Old 03-07-2013, 05:31 PM   #1
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Breakaway switch question

I need to replace the breakaway switch on our ' 66 Streamline. Our last trailer didn't have brakes, so this is all relatively new to me, but as usual I've been doing lots of research.

It sounds like I need a new switch and need to make sure the brakes are wired into the trailer's batter (which needs replacing as well).

It looks to me a like a PO cut the breakaway switch for some reason. Can I just tie into this wire, or am I going to need to do additional wiring to the new switch?

Also, are there any significant differences between the different manufacturers?

Also, if it's tied into the trailer battery I won't need another battery correct?

Just want to make sure I get the right parts the first time!

http://www.amazon.com/s/ref=nb_sb_no...eakaway+switch


Thanks!
Ian

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Old 03-07-2013, 05:40 PM   #2
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Breakaway switch question

Greetings Ian!

Quote:
Originally Posted by JeweloJalopy View Post
I need to replace the breakaway switch on our ' 66 Streamline. Our last trailer didn't have brakes, so this is all relatively new to me, but as usual I've been doing lots of research.

It sounds like I need a new switch and need to make sure the brakes are wired into the trailer's batter (which needs replacing as well).

It looks to me a like a PO cut the breakaway switch for some reason. Can I just tie into this wire, or am I going to need to do additional wiring to the new switch?

Also, are there any significant differences between the different manufacturers?

Also, if it's tied into the trailer battery I won't need another battery correct?

Just want to make sure I get the right parts the first time!

Amazon.com: breakaway switch


Thanks!
Ian

I suspect that you are going to have some investigating to do as if that breakaway switch is connected the brake shoes/magnets/drums may have damage (emergency pin appears to be pulled which would have applied full power to the braking circuit). While the absence of a battery in the coach would not allow damage to occurr, I am not so sure about what might happen when the tow vehicle is connected and the trailer brake controller is energized and/or 12-volt power begins flowing through the charge line.

Good luck with your investigation!

Kevin

P.S.: The coach or house battery is typically wired to provide power to the breakaway switch as well as the power tongue jack if so equipped. They make breakaway switches for utility trailers with small external (sometimes slef-contained) batteries, but these are rarely utilized on travel trailers with on-board RV/Marine batteries.

So far as breakaway switches are concerned, I haven't found a tremendous difference in quality/durability, but I usually look for the all metal cylindrical ones as they seem to look better on a Vintage RV (I believe that Vintage Trailer Supply and Inland RV carry them so most Airstream sources likely will have them as well).
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Old 03-07-2013, 05:51 PM   #3
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Thanks for the quick reply! I did read up on the possible issue of magnets overheating. Luckily I can see that the wire is currently cut as well, but was it cut before damage occurred? I'm not sure. I do know the brakes are currently working.

Thanks for the tip on finding a vintage looking switch, I'm all for keeping her as vintage as possible. She's pretty original and we hope to keep it that way, although you can see we have some cleaning/painting/rust removal to tackle.

I plan to pull the wheels/hubs and check everything before our trip, and re-grease the hubs or replace the bearings if needed. Luckily she was stored indoors for the past 25 years.
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