quick help for ungo alarm install

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fivepointohgt

Member - Posts: 4

Joined: June 09, 2003

Location: United States

Posted: June 10, 2003 at 3:40 PM / IP Logged

I'm trying to install the ungo ms8300 in my 92 mustang and I have a question regarding the "secondary power" wire. The installation manual says:

Pin 18 - RED / white: Secondary Power (+12v) input [20A fuse]

Connect to a fused +12v source. This wire is the source of power for all of the system's onboard relays, so a source of power capable of maintaining the necessary current is essential. Be sure to install a fuse near the connection. Do not remove or bypass the fuse holder included on the wire harness.

My question is where should I connect this wire? There are already wires to the Door trigger, main power, and ignition key - all +12v input. Should I connect to one of these or a different one? I would appreciate any help.

zargon

Copper - Posts: 186

Joined: January 27, 2003

Location: United States

Posted: June 10, 2003 at 4:32 PM / IP Logged

I would connect anything that takes a twenty amp fuse right to one of the main power wires at th ignition harness and fuse it as close as possible to that wire.

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: June 11, 2003 at 11:16 AM / IP Logged

12V|yellow & lt. grn/pur|+ |ignition harness

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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chasesaccessori

Copper - Posts: 198

Joined: August 22, 2002

Location: United States

Posted: June 11, 2003 at 12:25 PM / IP Logged

Grab your 12v straight from the battery! This business of grabing power from under the dash is a bad habit that should be avoided.

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Velocity Motors

Moderator - Posts: 12,488

Joined: March 08, 2002

Location: Manitoba, Canada

Posted: June 11, 2003 at 12:52 PM / IP Logged

Why would you not use the IGNITION wires from the igntion cylinder for your power supply on the MS8300 alarm system ? The alarm is only going to be drawing about 10 - 15 amps MAX at full alarm activation. Otherwise it will only be drawing less than 5 amps during normal operation. I do not think that connecting at the ignition harness is a bad habit unless you are trying to connect an amplifier to the ignition wires.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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quick help for ungo alarm install

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