Viper ESP550 Trunk Output

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fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 20, 2004 at 11:10 PM / IP Logged

Viper ESP550 Trunk Output - Page 2 -- posted image.

fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 20, 2004 at 11:17 PM / IP Logged

ok teken, i figured i would just show you the multimeter i am using. when i tested, i turned the dial to both the 20m and the 200m, which are on the right side of the unit.(if the picture is bad) That is where i got my 1.3 and 1.30 readings. And the probes are set up exactly as the picture shows. Thanks for the constant help.

Teken

Gold - Posts: 1,492

Joined: August 04, 2002

Location: Aruba

Posted: September 21, 2004 at 8:31 AM / IP Logged

Interesting, I have not seen a meter use both volts and amps in the same out let before.

GB is a good brand anyways, no worries.

When you set the meter to 200 mA, did the meter show you any reading?

Remember you must place the meter inline (series) with the circuit to measure the current (I).

Just want to make sure this is being done.

If you have to set it to 20 mA to obtain a reading, then yes the output is dead.

Follow up with a voltage measurement as well, and let us know what the voltage is coming out of the unit, when you depress the key fob.

Regards

EVIL Teken . . .

fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 21, 2004 at 11:35 AM / IP Logged

Teken forgive me, but not sure what you mean when you say "Remember you must place the meter inline (series) with the circuit to measure the current (I). "

Teken

Gold - Posts: 1,492

Joined: August 04, 2002

Location: Aruba

Posted: September 21, 2004 at 4:23 PM / IP Logged

When measuring voltage you are placing the meters leads in parallel to the point to be measured.

When current is being measured, you must break the circuit which is under test. And place the DMM leads in series with the circuit.

ie. Alarm CPU outout ---> Neg (-) DMM cable ---> Pos (+) DMM cable to the relay in question.

One side of the DMM will be attached to the output of the alarm trunk output wire, the other end of the DMM lead will attach to the other wire leading to the relay.

Hope that clarify it for you, if not, I will try to rephrase it for you.

Regards

EVIL Teken . . .

fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 21, 2004 at 4:55 PM / IP Logged

Hey Teken, I got what you mean now. Anyway here are the readings...

If multimeter is set to 20mA, I get reading of 1.25

If multimeter is set to 200mA, I get reading of 01.3

Now, on the voltage side, if i set multimeter to 20Volts, I get reading of 0.60

If multimeter is set to 2000m, on voltage side, i get reading of 587...

Now here's an interesting one which i'm not sure of...On the right side of the multimeter, where the ampere settings are, there is one called 2000u, which the reading on that one is 1190. So can you help me translate these numbers and tell me what might be next? Thanks Again

mito57

Member - Posts: 46

Joined: April 21, 2004

Location: United States

Posted: September 21, 2004 at 5:25 PM / IP Logged

The "u" is really the greek letter for "m" and stands for "micro". So if your range is 2000 u that means a full scale of 2,000 divided 1,000,000. That is a maximum reading of .001190 Amp if you are reading 1190, which is equivalent to a reading of 1.19 in the 20mA scale.

kgerry

Platinum - Posts: 3,455

This member consistently provides reliable information

Joined: February 07, 2004

Location: Saskatchewan, Canada

Posted: September 21, 2004 at 6:44 PM / IP Logged

the aux channel is smoked...... you can replace the transsitor inside or ship it in to be serviced....

Kevin Gerry

Certified Electronics Technician

MECP First Class Installer

Owner/Installer

Classic Car Audio

since 1979

fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 21, 2004 at 6:50 PM / IP Logged

hey kgerry do you happen to know how to locate the correct transistor in the unit? Thanks for the replies everyone.

fierygt

Member - Posts: 22

Joined: September 19, 2004

Location: United States

Posted: September 24, 2004 at 8:50 PM / IP Logged

hey all. problem fixed! Problem was a resistor located at the trunk output terminal. Replaced with a 10ohm(What the unit calls for)and now it works perfectly! Consider this topic closed.

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