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The rules should oblige the seller to give the purchaser an operating instrucion of Metra GMOS-LAN-03, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Metra GMOS-LAN-03 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Metra GMOS-LAN-03. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Metra GMOS-LAN-03 should contain:
- informations concerning technical data of Metra GMOS-LAN-03
- name of the manufacturer and a year of construction of the Metra GMOS-LAN-03 item
- rules of operation, control and maintenance of the Metra GMOS-LAN-03 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Metra GMOS-LAN-03 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Metra GMOS-LAN-03, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Metra service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Metra GMOS-LAN-03.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Metra GMOS-LAN-03 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
GM ONST AR LAN DA T A BUS INTERFACE G M O S - L A N - 0 3 I n s t a l l a t i o n I n s t r u c t i o n s 1-800-221-0932 © COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORA TION Rev . 11-22-10 www .axxessinterface.com APPLICA TIONS Not compatible with amplified sound systems * READ IMPORT ANT WARNING ON P AGE 1 BEFORE A TTEMPTING ANY INST ALLA TION Th[...]
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Page 2
GMOS-LAN-03 1 * READ IMPOR T ANT W ARNING BEFORE A TTEMPTING ANY INST ALLA TION * IMPORT ANT W ARNING THIS PRODUCT INCLUDES INSTR UCTIONS FOR INST ALLA TION WHICH MUST BE CAREFULL Y FOLLOWED. THE INSTR UCTIONS ARE WORDED IN SUCH A MANNER TO ASSUME THA T THE INST ALLER IS CAP ABLE OF COM- PLETING THESE TYPE OF ELECTRONIC INST ALLA TIONS. IF YOU ARE [...]
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Page 3
GMOS-LAN-03 2 TOOLS REQUIRED FOR INST ALLA TION WIRING CONNECTIONS * Important: Before beginning any of the following, disconnect the negative batter y terminal to prevent accidental short circuit. FOR INST ALLA TION OF AFTERMARKET RADIO ONL Y : From the 14 pin harness: 1. Connect the red wire to the ignition/accessory wire of the aftermarket radio[...]
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Page 4
GMOS-LAN-03 3 BLK RF- GM OS-LAN-03 R A D IO R L L RF+ LF- YEL LF+ RED CHIME VOL UME ADJUSTMEN T R R+ L R- L R+ 7 WIRES R G DIA R AM 1 BLACK /YELLOW BLACK /WHITE BLUE/WHITE RR- ORANGE ORANGE/WHITE GM 30 PIN 2 PIN[...]
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Page 5
GMOS-LAN-03 4 CONNECTIONS TO BE MADE ON THE 14 PIN HARNESS: 1. Connect the red wire to the ignition/accessory wire of the aftermarket radio. 2. Connect the blue/white wire to the amp turn on wire of the aftermarket radio and to the blue/white wire in the 24 pin harness. 3. White NOT USED 4. White/black NOT USED 5. Gray NOT USED 6. Gray/black NOT US[...]
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Page 6
GMOS-LAN-03 5 8. Cut the white/black wire about half way between the two plugs. Connect the white/black wire from the 24 pin plug to amplifier’ s left front negative speaker output wire. Connect the white/black wire from the 12 pin plug to the negative speaker wire of the Metra SP-2003 or equivalent. 9. Cut the gray wire about half way between th[...]
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Page 7
BLK R A D IO YEL AFTER MARKET RAD IO A ND AM PLIFIER WIRING SP-2003 SP-2003 OPTIONAL REQUIRED GM OS-LAN-03 RF RF LF LF - + - + CHIME VOLUME ADJUSTMENT RED GREEN BLUE/PINK BLUE/WHITE GREEN/PURPLE BROWN 14 PIN 12 PIN 2 PIN RR+ RR- LR- L LR+ GM 30 PIN TO A FTERMARKET REAR AMPLIFIE R TO A FTERMARKET FRONT AMPLIFIER RF RF LF LF - + - + X X X X BLACK/Y E[...]
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Page 8
CHIME VOLUME ADJUSTMENT T o adjust the chime volume, use a small screwdriver to rotate the potentiometer , located on the 14 pin harness side of the interface, c lockwise to make the chime louder and counterclockwise to make the chime softer . ONST AR LEVEL ADJUSTMENT T o adjust the Onstar volume level find the Black/Y ellow wire on the 12 pin harn[...]