Should I put a fuse on a relay or not?
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=51379
Printed Date: April 28, 2024 at 12:45 AM
Topic: Should I put a fuse on a relay or not?
Posted By: Lubuspl
Subject: Should I put a fuse on a relay or not?
Date Posted: March 05, 2005 at 10:34 PM
Should I put a fuse on a relay or not? I will be installing relays most likely for clutch bypass, door locks and trunk pin? Does anyone know if these are the only realys I need for a Vw Jetta 98.
What does a fuse do for a relay anyway? Does it work differently or just waist of money?
Replies:
Posted By: thepencil
Date Posted: March 05, 2005 at 10:50 PM
Lubuspl wrote:
Should I put a fuse on a relay or not? I will be installing relays most likely for clutch bypass, door locks and trunk pin? Does anyone know if these are the only realys I need for a Vw Jetta 98.
What does a fuse do for a relay anyway? Does it work differently or just waist of money?
I look at fuses this way. They are like your insurance policy. You don't know when you will need them, but when you do it's nice to know they are there. If they are not you might end up wasting a lot of your own money.
I think you got all the relays cover unless someone can point out something that you might have missed.
------------- Be careful whose advice you buy, but be patient with those who supply it. 
Posted By: boomer_106
Date Posted: March 06, 2005 at 6:37 AM
As far as knowing how many relays you need that kinda depends on the unit you install. Some have doorlock relays built in and some dont. Same for parking light outputs etc.
Posted By: auex
Date Posted: March 06, 2005 at 11:19 AM
Always fuse.
-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: Lubuspl
Date Posted: March 06, 2005 at 4:52 PM
What fuse # should I use and should I use the fuse holder?
Posted By: auex
Date Posted: March 06, 2005 at 5:08 PM
Fuse size depends on your application. You can always fuse at what ever the vehicle fuses that circuit for, for example if doing five wire locks and the vehicle's fuse is 15A then use a 15A.
Fuse holder is up to you, either use a premade one or use 2 female terminals and tape it up.
-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: Lubuspl
Date Posted: March 07, 2005 at 10:00 PM
K so for a relay, what # should I use, I am going to install;
2 relays for door locks
1 relay for trunk open pin
1 relay for clutch bypass
What amp should I use for each?
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Posted By: Lubuspl
Date Posted: March 07, 2005 at 10:00 PM
K so for a relay, what # should I use, I am going to install;
2 relays for door locks
1 relay for trunk open pin
1 relay for clutch bypass
What amp should I use for each?
Posted By: auex
Date Posted: March 07, 2005 at 10:28 PM
Door locks 15A for 5 wire
Trunk 10A for positive trigger going to solenoid
Clutch 3/5A VERIFY TYPE OF SYSTEM!!!
It depends on the application and type of system. These are very important.
-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
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