mercury switch, magnetic reed switch
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=132323
Printed Date: May 10, 2024 at 9:50 AM
Topic: mercury switch, magnetic reed switch
Posted By: 1prix
Subject: mercury switch, magnetic reed switch
Date Posted: October 07, 2012 at 12:44 PM
Hi all i just installed a omega 830i07 on my cadillac cts.
Note this was my first installation of a remote start ever done.
The install was not hard to do at all with the help of the internet and a few people that i have met on various forums.
i did not hook up the hood pin switch because i was wondering if a could use a mercury tilt switch without any problems. I have noticed the mercury switch has to wires and the hood pin only one.
What are you guys thoughts about the two.
Replies:
Posted By: howie ll
Date Posted: October 07, 2012 at 2:10 PM
Mercury switch easier to install, no need to think about positioning to catch the hood and moisture retarding, it has two wires because one is the ground. With a pin switch, the body is the ground.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: 1prix
Date Posted: October 07, 2012 at 2:16 PM
so just ground one wire and run the other to the hood pin switch wire?
Posted By: howie ll
Date Posted: October 07, 2012 at 2:28 PM
YES.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: smokeman1
Date Posted: October 07, 2012 at 2:49 PM
I use the mercury switch on all of my installs as the regular plunger hood pin will get rusty and not work properly. I usually groung the second wire under the mounting tab of the switch, which is then screwed to the hood for the ground.
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Posted By: kreg357
Date Posted: October 07, 2012 at 3:17 PM
The only downside to a tilt switch is if you park on a steep hill. Depending on tilt switch positioning and vehicle angle, it might sense a hood open condition and not remote start the car.
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Soldering is fun!
Posted By: 1prix
Date Posted: October 07, 2012 at 4:24 PM
good point didn't think of that,but i do hate when the pins rust.
I just ordered 1 off ebay.
Posted By: kreg357
Date Posted: October 07, 2012 at 5:36 PM
Use them all the time. Here is a "no holes drilled" way to install.
------------- Soldering is fun!
Posted By: 1prix
Date Posted: October 08, 2012 at 9:08 PM
nice,do you mind if a borrow that idea?
Posted By: kreg357
Date Posted: October 08, 2012 at 10:08 PM
Please, help yourself. I'm sure this was install method was done long before I thought of it. In the spirit of sharing, if you clean the metal area of the hood support hinge well, you can use a squeeze or two of hot-glue to secure the wires from the switch so they won't get damaged and stay neatly out of sight.  ------------- Soldering is fun!
Posted By: howie ll
Date Posted: October 09, 2012 at 2:27 AM
1prix: Hood pins won't rust if you spray them with a moisture retardant on installation or use the Euro flanged plastic encased, see Metra page 26. Read the thread on this page on pin switches.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: 1prix
Date Posted: October 09, 2012 at 1:35 PM
Any body use magnetic reed switch in place of a hood pin switch.
If so would i need a normally open type switch.
Posted By: shortcircuit161
Date Posted: October 09, 2012 at 1:58 PM
I've not used them in place of hood pins but they should work great.
It would have to be normally open (N.O.) to work with most alarms and remote starters out there.
Posted By: 1prix
Date Posted: October 23, 2012 at 2:19 AM
i also thought about adding a switch inline on the hood pin wire instead.
Posted By: howie ll
Date Posted: October 23, 2012 at 8:08 AM
Why?
Not needed if you already have a hood pin, also one more thing to go wrong.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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