Universal Bypass

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davedyer79

Copper - Posts: 178

Joined: February 18, 2004

Location: United States

Posted: September 23, 2004 at 9:27 AM / IP Logged

When using a universal bypass, what prevents the vehicle from reading two codes, the one in the bypass and the one in the ignition? I am putting a RS/alarm on my Titan this weekend and was just wondering about that. I have put in many RS's, but have been lucky enough to have vehicle specific bypasses. Is there anything different I should do in the installation. Thanks, David Dyer

davedyer79

mo12v

Platinum - Nominee - Posts: 2,748

This member consistently provides reliable information

Joined: September 30, 2003

Location: Afghanistan

Posted: September 23, 2004 at 9:47 AM / IP Logged

Usually has relay, diode, transistor or data when ignition is turned on or RS is on

Kinda like your computer

Don't Learn from Others Mistakes

You Might Be the One That Knows.

davedyer79

Copper - Posts: 178

Joined: February 18, 2004

Location: United States

Posted: September 23, 2004 at 10:33 AM / IP Logged

So all this should come pre-wired with the universal bypass, no need for any extra wiring from me?

davedyer79

mo12v

Platinum - Nominee - Posts: 2,748

Joined: September 30, 2003

Location: Afghanistan

Posted: September 23, 2004 at 10:39 AM / IP Logged

Just to wire RS to ByPass to make it turn on

What vehicle R U putting RS on?

Don't Learn from Others Mistakes

You Might Be the One That Knows.

kgerry

Platinum - Posts: 3,455

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: September 23, 2004 at 12:57 PM / IP Logged

all the new DEI universal modules 556U ( which replaced the 555U ) have a key sense circuit to prevent this.....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

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Universal Bypass

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