multiple relays
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=101346
Printed Date: August 27, 2025 at 8:05 PM
Topic: multiple relays
Posted By: lochlin
Subject: multiple relays
Date Posted: January 18, 2008 at 11:50 PM
Is it ok and will it work to trigger 2 relays at the same time off of one 200ma (-) output.Thanks for any replies.
Replies:
Posted By: techman93
Date Posted: January 19, 2008 at 12:30 AM
yes even 3
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The wire I'm test'n isn't doin' what it's supposed to be doin'... I am so glad I printed that tech sheet, with the wrong info.
Do it right the first time... or I might have to fix it for ya
Posted By: lochlin
Date Posted: January 19, 2008 at 12:45 AM
Perfect,thank you for the quick reply...
Posted By: brcidd
Date Posted: January 19, 2008 at 10:19 AM
Sure it is okay-- but if you are sharing the neg out trigger with some bypass modules or even certain relays- don't be surprised if the car does start the next morning due to a dead battery---I always diode isolate the neg out trigger when sharing it-- the relays or modules can "find" a ground through each other- and be active and pull enough amperage to discharge your car battery- I had it happen on a new install once-- and never again-- Always diode isolate- or use relays with diodes built in..........
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Brcidd - Engineer That Does Remote Starter Installs on the side.
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