Calais FWD L4-151 2.5L (1985)
point. In-line fuses should be located as near as practical to the battery. See "5b" for ignition switch control of one piece transceivers. note:
It is recommended that a fuse be placed in the transceiver ground lead to prevent possible damage to the transceiver, in the event the battery to
engine-block ground is inadvertantly disconnected.
B.
Handset or control unit battery and ground; it is preferable that the handset or control unit battery lead be
connected directly to the battery. Any ground lead from a handset or control unit must return to battery negative. If it is necessary that the transceiver
power be controlled by the ignition switch, then handset or control unit battery lead may be connected to the ignition 3 circuit at a terminal so labeled on
the vehicle fuse block. A sketch of the fuse block is located in the owners manual. For ONE PIECE TRANSCEIVERS, where ignition switch control is
necessary, a 12v power contactor must be installed in the transceiver battery lead. The contactor should be located at the vehicle battery with the coil of
the contactor driven from the ignition three circuit at the fuse block. The coil of the contactor must return to battery negative
C.
Connections for multiple transceivers and receivers:
if multiple transceivers or receivers are to be installed in the vehicle, power feeds (+ 12v and ground) to the trunk or under dash should be
terminated in covered insulated buss bars. All transceivers or receivers may then have their power feeds connected to the buss bars. This makes a
neater installation and reduces the number of wires running to vehicle underhood.
6.
Wire Routing
A.
The power leads should be brought through a grommet on the driver's side firewall. For trunk mounted transceivers, the cables should continue on
along the driver's side door sills, under the rear seat, and into the trunk through the rear bulkhead. If the battery is located on the passenger side,
battery leads should cross the vehicle in front of the engine. All attempts should be made to maintain as much distance as possible between radio
power leads and vehicle electronic modules and wiring.
B.
For police vehicles, radio power leads should be routed in the conduit provided with the option package.
7.
Troubleshooting
A.
Should vehicle problems develop following installation, the source of the problem should be determined prior to further operation of the vehicle.
B.
Possible causes of vehicle problems include:
1.
Power feeds connected to points other than the battery.
2.
Antenna location.
3.
Transceiver wiring located too close to vehicle electronic modules or wiring.
4.
Poor shielding or connectors on antenna feedline.
8.
Contact and Feedback
A.
GM vehicles have been designed and extensively tested for immunity to known sources of RF energy however, it is impossible to lest for every
source, installation, or combination of sources. If a persistent condition is encountered, contact Delco Electronics Division on:
Dial Delco
Indiana
1-800-428-0501
1-800-382-0531
VEHICLE-TRANSCEIVER PROBLEM INFORMATION SHEET
NAME
PHONE
AFFILIATION
MAILING ADDRESS
STATE
ZIP CODE
DATE
REFERRED BY
..........................................................................................................................................
VEHICLE
MOBILE TRANSCEIVER
MAKE
MAKE
MODEL
MODEL
VIN
POWER
LOCATION OF EQUIPMENT.
FREQ.
(SEE OVER)
ANTENNA TYPE
..........................................................................................................................................
DESCRIBE PROBLEM: