ELECTRICAL CONNECTIONS
Electrical connections to the unit are made using a removable terminal block plug located on the back. A label on the unit identifies the terminal function. You should install the plug on the unit before wiring. If the unit needs service the plug can be easily removed without unwiring.
The power supply of the unit must be ca- pable of delivering peak currents up to 50 amps for adequate short circuit protection and reliable operation. The preferred source is directly at the vehicle battery. The unit is internally fused.
Attach leads by stripping 3/8", inserting into plug and clamp by tightening screw. Make sure the screw is tight and the wire can't be pulled out. Failure to adequately tighten the screw can result in im- proper operation or burning the con- nector and wire.
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| Page 5 of 8 | |
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| (2) #22 AWG BLU |
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| #22 AWG WHT (See below) | ||||||
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| Connect to output |
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| jack, terminals or |
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| #22 AWG GRN (See below) | ||||||
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| speaker of radio |
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| (2) #18 AWG BRN |
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| #14 AWG RED | |||||||||
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| RADIO |
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| (#16 - 2 SPKR) |
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| Use second lead | ||||||||||
2 - SPKR - Connect for |
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| for 2 - SPKR | |||||||||||
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| same phase (+ to +) |
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| + |
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| BAT |
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| - |
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| • • • • • • • • • • |
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| #14 AWG BLK | ||||||||||
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| Use second lead | |
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| for 2 - SPKR | |
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| SPKR → SPKR → POS → POS → RAD → RAD → AUX → CUT → NEG → NEG → |
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CONNECTIONS AT REAR OF UNIT WITH
Wire Size and Termination - The diagram shows the minimum wire size used for each connec- tion, along with recommended lead color. If the wire is longer than 10 ft. use the next larger wire size. Use only high quality crimp connectors for installation on the vehicle.
Auxiliary Input Connection - The Auxiliary Input allows acti- vation by an external source of either the Horn or Man/Phsr function. The adjacent diagram shows three connection exam- ples. See OPTION SWITCHES section for programming details. NOTE: Permanent disconnec- tion of the vehicle horn is NOT recommended.
| +VDC |
| +VDC |
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HORN |
| HORN | Added |
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| SPDT | HORN | ||
RING | SPLICE | RING | Switch | |
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SWITCH |
| SWITCH |
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| HORN |
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| AUX | ||
AUX |
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+VDC Switching examples
MOMENTARY
FOOT
SWITCH
AUX
-VDC
switching example
Must set AUX_P
option switch
Cutout Input Connection - The Cutout Input turns off any siren tone output when activated, and remains off until a control is activated or changed. The adja- cent diagram shows two connection examples. See OPTION SWITCHES section for programming de- tails.
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| +VDC | ||||||||||
DOOR |
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| SPLICE | ||||||||||
SWITCH |
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| DOME |
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| LIGHT |
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| CUT |
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+VDC Switching
example
ADDED
DOOR
SWITCH
CUT
switching example
Must set CUT_P
option switch
CP4874B | 05/07/05 |