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Best hood pin switch?


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conair 
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Joined: August 03, 2006
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Posted: December 01, 2006 at 8:00 PM / IP Logged  
The manufacturers are referring to the grease's ability to prevent dielectric corrosion, especially of dissimilar metals. The grease is an insulator, but it is forced out of the way when a solid connection is made. Air is a good dielectric too, but like the grease, it is also forced out of the way.
Fastlearner 
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Posted: December 02, 2006 at 5:03 AM / IP Logged  
"I used to have problems with them rusting. When you install it, cover it with a good bit of dielectric grease or some vaseline. Get it all over the pin where it slides, and all the metal contact parts. Also cover where your wire is connected to it. Try this, it helps a LOT. You will have to regrease it about every 6 months to a year."

I read this and thought that this is a pretty neat idea. Let the customer know that in order for thier alarm to work 100% to come back every 6 months. Then while you have the car in the shop try to sell them speakers or radios. Sort of like jiffy lube style. I might have to try that one out some time. thanks.

splaudio 
Copper - Posts: 237
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Joined: January 22, 2006
Posted: December 02, 2006 at 10:10 AM / IP Logged  
most all alarms come with those cheap plastic with a metal end pin switch, file them in a strong metal container (trash can). i install the brass and chrome ones from partsexpress.com and havent had one problem...
ill-logix 
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Posted: December 02, 2006 at 9:03 PM / IP Logged  
Has any one tried an intrusion switch used on doors and windows for home security?  Mount the magnet to the hood and the reed to the chassis.  They are sealed so corrosion wouldnt be an issue.
xalky 
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Posted: December 03, 2006 at 7:42 AM / IP Logged  

Dielectric grease is an insulator and terminal protector.  It insulates the terminal from reacting with the outside environment. It's used alot by telephone, and cable companies on there outside lines. I use it when working on my outside cable lines, I smear the stuff all over the screw in termonals so that they can maintain a good ground. Have you ever watched a snowy cable picture, if you have there's a good chance that its corrosion between the threads on the screw in connectors.

You want metal to metal contact on yourconnections, but to maintain that connection, gob it with dielectric grease, it repels water and it's pretty much insoluble. It's also used under the hood and outside plugs on most cars, they actually use it where the terminals contact so that corrosion won't deteriorate the conection over time. Great stuff.

Paketa1 
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Posted: December 03, 2006 at 12:47 PM / IP Logged  
Every one of them i put in i spray with white grease it gives me no problems at all and also the screws for the siren.
conair 
Member - Posts: 10
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Joined: August 03, 2006
Location: United States
Posted: December 03, 2006 at 10:24 PM / IP Logged  
I just used one of those intrusion switches on the back seat of a car so that when it was folded down, the lighting in the sub box would turn on. I didn't want any kind of switch to be visible, so I chose the magnetic reed switch, and hid it behind the fabric. I thought that there might be problems with vibration or stray magnetic fields from the sub, but that is not the case, as long as it is not too close to the subs. The only thing I would have to say might cause issues with using it for the hood, is that the magnet can be moved several inches from the switch before the circuit is closed; playing around with placement could solve this though.
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