Anti Grind Relay Wiring
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=90800
Printed Date: April 29, 2024 at 6:20 PM
Topic: Anti Grind Relay Wiring
Posted By: vwaudifreak
Subject: Anti Grind Relay Wiring
Date Posted: February 22, 2007 at 8:32 AM
Hi, is this a good way to wire a starter kill relay (diagram found online)? do you think the starter will bump for a second since the 12V comes on at the same time the key is turned? I am just trying to make it simplier. 
Replies:
Posted By: Twelvoltz
Date Posted: February 22, 2007 at 8:40 AM
That is the proper way to wire up a starter kill circuit. No, the starter will not 'bump' when wired like that.
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Installer, IT support, and FFL. I need less hobbies.
Posted By: KarTuneMan
Date Posted: February 22, 2007 at 8:46 AM
Key side of the starter wire to 87a, the car side to 30. 12v to 86, ground while running to 85. Take your remote start connection to the CAR SIDE of your starter wire "past" the relay. Anti-grind! -------------
Posted By: Hymer
Date Posted: February 22, 2007 at 9:09 AM
Yep, correct as usual... Look at the pics on hat link...  Scotchlocs, T-taps.... eeeeewwwwww ------------- Tire Proz Stillwater Mn
High End Restyling and Comlete Repair
Posted By: vwaudifreak
Date Posted: February 22, 2007 at 9:59 AM
KarTuneMan wrote:
Key side of the starter wire to 87a, the car side to 30. 12v to 86, ground while running to 85. Take your remote start connection to the CAR SIDE of your starter wire "past" the relay. Anti-grind!
Thanks. I got that, I just wanted to be sure I could connect 86 on the relay to the key side starter wire. I don't want a momentary starter enguagement as the relay clicks over.
Posted By: Twelvoltz
Date Posted: February 22, 2007 at 10:14 AM
HYMER] wrote:
ep, correct as usual... Look at the pics on hat link... Scotchlocs, T-taps.... eeeeewwwwww
I should have looked at the whole page and maybe have read some of that, all I looked at was the picture showing the relay. I am with Hymer on this one....Solder all of your connections! Scotchlocks and T-Taps are NOT the way to do it.
------------- Installer, IT support, and FFL. I need less hobbies.
Posted By: cutter1122
Date Posted: February 22, 2007 at 10:14 AM
Posted By: xtremej
Date Posted: February 22, 2007 at 4:29 PM
As suggested hook remote starter-start wire on the starter motor side.
Posted By: dualsport
Date Posted: February 22, 2007 at 7:38 PM
One advantage of using the separate 12V Ign to switch the relay instead of the start signal is that it's better for the relay to be cold switched; the contacts will tend to last longer, and it'd be more reliable.
If the start signal is used as in the first diagram, the relay gets hot switched, because power is already present on the contacts by the time it's closed. Probably not a big deal, since the relay can handle it, but it might make a difference over the long haul.
Posted By: Mike M2
Date Posted: February 22, 2007 at 8:30 PM
You mention antigrind relay in the topic, you can also connect 85 to the RS statis wire to make the relay do two duties-antigrind and starter kill.
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Mike M2
Tech Manager
CS Dealer Services
Posted By: dualsport
Date Posted: February 22, 2007 at 9:15 PM
Oops- never mind what I mentioned about the hot switching, it's using the normally closed contacts, and a (-)starter interrupt signal instead of a ground while running signal. Relay should normally remain off during regular operation-
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