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Should I put a fuse on a relay or not?


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Lubuspl 
Copper - Posts: 55
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Joined: February 02, 2004
Location: United States
Posted: March 05, 2005 at 10:34 PM / IP Logged  
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?
thepencil 
Gold - Posts: 1,526
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Joined: December 16, 2002
Location: Canada
Posted: March 05, 2005 at 10:50 PM / IP Logged  
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.Should I put a fuse on a relay or not? -- posted image.
boomer_106 
Silver - Posts: 710
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Joined: November 25, 2003
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Posted: March 06, 2005 at 6:37 AM / IP Logged  

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.

auex 
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Posted: March 06, 2005 at 11:19 AM / IP Logged  
Always fuse.
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Lubuspl 
Copper - Posts: 55
Copper spacespace
Joined: February 02, 2004
Location: United States
Posted: March 06, 2005 at 4:52 PM / IP Logged  
What fuse # should I use and should I use the fuse holder?
auex 
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Posted: March 06, 2005 at 5:08 PM / IP Logged  
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.
Lubuspl 
Copper - Posts: 55
Copper spacespace
Joined: February 02, 2004
Location: United States
Posted: March 07, 2005 at 10:00 PM / IP Logged  
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?
Lubuspl 
Copper - Posts: 55
Copper spacespace
Joined: February 02, 2004
Location: United States
Posted: March 07, 2005 at 10:00 PM / IP Logged  
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?
auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: March 07, 2005 at 10:28 PM / IP Logged  
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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