okay to use 1 relay for 2 starter wires?

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=17131
Printed Date: June 03, 2024 at 2:59 PM

Topic: okay to use 1 relay for 2 starter wires?

Posted By: skyline_man
Subject: okay to use 1 relay for 2 starter wires?
Date Posted: August 04, 2003 at 10:44 AM

My car has 2 starter wires, a main wire and a secondary wire for cold starting. When you start the car current flows in both wires but if you cut the main wire and try to start, the starter motor will not start. Now is it safe to connect both starter wires to one starter kill relay?

Replies:

Posted By: ViperATC5
Date Posted: August 04, 2003 at 12:00 PM

You only need to put the starter kill relay on the main starter wire

Posted By: skyline_man
Date Posted: August 05, 2003 at 11:39 AM

Doesn't work, the current runs through the second wire and into the first wire when attempting to start the car with the alarm on - hence bypassing the relay ( similar to connecting one wire to two parking light wires without using diodes)

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