Automotive Manual PDF

This vehicle most likely has an external amplifier powering the speakers, not the amplifier inside the radio. This creates problems when installing a new replacement radio. The Volvo amplifier cannot be used and must be bypassed. This document shows you the extensive steps to remove the auto makers radio, find and bypass the auto makers amplifier in the vehicle, and then connect and mount the new replacement radio. If you have 4 speakers in your vehicle (2 in the front doors, and 2 in the rear doors) you most likely have an amplifier in your vehicle.
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Whether you buy a new vehicle with or without a stereo installed from the factory, you need to know what it is going to take if you buy a vehicle without a radio and plan on installing a radio yourself or plan on having one professionally installed.
The radios installed from the factory are expensive. But what is the real cost, or more specifically what really goes into installing a new radio in a vehicle that did not have a radio installed from the factory?
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Many people wanting to install a new replacement radio in their vehicles usually become confused when professional installers and/or salesman inform them of these separate snap on wire harness adapters. A common misunderstanding for these people is that they wonder why they need to purchase an additional wire harness when the radio either has wires already attached to the radio or a wire harness is already included with the new replacement radio. The wiring on the rear of new replacement radio is designed in one of two ways: either the wires are connected internally to the electronic circuit board and then extended out of the rear of the radio, or the radio is designed with the wires attached to a small plastic wire harness connector which can be plugged into the rear of the radio. Most modern radios are designed with a separate wire harness. This allows the wire harness to be wired to the vehicles speaker and power wires without having the heavy radio attached. This also allows the radio to be unplugged without having to cut the wires.
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When shopping for a new replacement radio for your vehicle, depending upon the make and model, you may quickly notice that new radios are different in size than the radio that was installed by the auto maker at the factory. What do you do?
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The Install Doctor STRONGLY recommends using a snap on wire harness adapter when replacing the auto makers factory installed radio with a new replacement radio. These snap on wire harness adapters are custom designed to plug into the auto makers indash radio wire harness that originally plugged into the rear of the auto makers factory radio. Because each snap on wire harness is custom designed to fit only a specific auto makers indash wire harness, these are not included with new replacement radios but can be purchased separately.
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