Diode not working

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oakey22

Member - Posts: 21

Joined: August 10, 2006

Location: United Kingdom

Posted: August 19, 2006 at 12:19 PM / IP Logged

i am trying to make my turn signals flash using diodes, i am wiring them up from anode to Kathode but they just seem to be blowing straight away and letting the current flow both ways. When i use my indicators they all turn on because of this.

i am using this diode.

1N4148

what other diode should i get?

oakey22

Member - Posts: 21

Joined: August 10, 2006

Location: United Kingdom

Posted: August 19, 2006 at 12:26 PM / IP Logged

i have the matrix rsx3.5 and want to connect my parking lights, but i dont want the parking lights to flash, i want the turn signals. But when i connect them straight up they flash, but when i put my turn indicator on, all the indicators on the car flash.

wishboneattack

Member - Posts: 32

Joined: June 23, 2004

Location: United States

Posted: August 19, 2006 at 12:36 PM / IP Logged

I think you need a diode that can handle a little more amperage then 400mA. Be brave, use transistors.... Diode not working -- posted image.

Seriously I don't have any part numbers here or I would give you one that would work.... Hopefully someone else can help out with that... Diode not working -- posted image.

I may be lost but I am making good time.

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auex

Platinum - Posts: 5,041

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Joined: December 23, 2002

Location: Arizona, United States

Posted: August 19, 2006 at 1:21 PM / IP Logged

First off, you need to use a 6A diode or relays when isolating lights. Second off, wouldn't it be easier just to tag the hazard light switch?

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.

KarTuneMan

Platinum - Posts: 7,056

This member consistently provides reliable information

Joined: December 14, 2004

Location: Isle Of Man

Posted: August 19, 2006 at 1:43 PM / IP Logged

One question.....what kind a car?

oakey22

Member - Posts: 21

Joined: August 10, 2006

Location: United Kingdom

Posted: August 19, 2006 at 2:24 PM / IP Logged

its a vauxhall calibra 1997 in the UK. This is from the hazard light switch, it has 2 outputs from it, left and right.

oakey22

Member - Posts: 21

Joined: August 10, 2006

Location: United Kingdom

Posted: August 19, 2006 at 2:43 PM / IP Logged

could i use 2 relays like this?

pin 30 - left parking lamp/ or Right parking lamp

pin 85 - Earth (Ground)

pin 86 - output from alarm

87 - 12v fused

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: August 21, 2006 at 5:02 AM / IP Logged

That would work.

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.

Installer_mss

Copper - Posts: 221

Joined: February 14, 2005

Location: United States

Posted: August 23, 2006 at 12:35 AM / IP Logged

use relays to isolate them. i've seen diodes have problems with isolation in certain applications. relays never fail.

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Diode not working

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