2003 Crown victoria door locks

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luism21

Member - Posts: 16

Joined: November 28, 2014

Location: Illinois, United States

Posted: November 10, 2017 at 3:31 PM / IP Logged

I am working on a 2003 crown Victoria installed Clifford 5305 everything works just fine except that when the door lock switch is used it blows the fuse I thought I left an exposed wire causing it to short out and blow but went thru all wiring and it was all protected. long story short once I disconnected the lock wires coming from the relays it stopped blowing the fuse. now my question is how can I fix this problem? I reversed the output of the doorlocks bc it needed a positive output.

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 10, 2017 at 5:11 PM / IP Logged

Draw us a diagram of how you wired the relays and maybe we can help.

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luism21

Member - Posts: 16

Joined: November 28, 2014

Location: Illinois, United States

Posted: November 10, 2017 at 5:40 PM / IP Logged

this is what I followed. but I just diode isolated it and it works fine now. was that a good idea or will I have problems in the future?

2003 Crown victoria door locks - Last Post -- posted image.

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i am an idiot

Platinum - Posts: 13,667

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 11, 2017 at 12:20 PM / IP Logged

Just remove ground from 87a of both relays.

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rs specialist

Copper - Posts: 175

Joined: September 30, 2015

Location: Arizona, United States

Posted: November 16, 2017 at 4:54 PM / IP Logged

are you sure they are positive and not reverse polarity?

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