diode isolating

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specs

Copper - Posts: 120

Joined: October 02, 2009

Location: Saskatchewan, Canada

Posted: January 07, 2015 at 9:10 AM / IP Logged

First install using diodes to isolate some of the connections to vehicle this weekend.....2014 Mazda 3 hatch manual trans/ AL-CA flashed with AL-DL MA3/Klon(W2W). My question is concerning placement of the diodes...does it matter where in the wiring they are i.e. closer to vehicle connections or R/S? Also, have a mix of 4001 and 4007 diodes to use...both serve the same purpose as far as isolating, correct? Thx, Al

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: January 07, 2015 at 12:10 PM / IP Logged

No it doesn't matter where.

Voltage handling capacity is the answer.

A relay shutdown spikes at about 200 volts, thus 1N4001 won't do, 1N4007 are fine.

I use 1N4004 for everything.

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specs

Copper - Posts: 120

Joined: October 02, 2009

Location: Saskatchewan, Canada

Posted: January 07, 2015 at 3:50 PM / IP Logged

Thks Howie, appreciate it!

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diode isolating

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