Pioneer DEH-22UB owner manual Connections, Secure the wiring with cable clamps or ad

Connections

WARNING

!Use speakers over 50 W (output value) and be- tween 4 W to 8 W (impedance value). Do not use 1 W to 3 W speakers for this unit.

!The black cable is ground. When installing this unit or power amp (sold separately), make sure to connect the ground wire first. Ensure that the ground wire is properly connected to metal parts of the car’s body. The ground wire of the power amp and the one of this unit or any other device must be connected to the car separately with different screws. If the screw for the ground wire loosens or falls out, it could result in fire, generation of smoke or malfunction.

Ground wire POWER AMP

Other devices	Metal parts of car’s body
(Another electronic
device in the car)

Important

!When installing this unit in a vehicle without an ACC (accessory) position on the ignition switch, failure to connect the red cable to the terminal that detects operation of the ignition key may result in battery drain.

	F	ON
	F
	O			S
				T
			R	A
		T
ACC position	No ACC position

!Use this unit with a 12-volt battery and nega- tive grounding only. Failure to do so may result in a fire or malfunction.

!To prevent a short-circuit, overheating or mal- function, be sure to follow the directions below.

—Disconnect the negative terminal of the battery before installation.

Section

02

— Secure the wiring with cable clamps or ad-	English
hesive tape. Wrap adhesive tape around
wiring that comes into contact with metal
parts to protect the wiring.
— Place all cables away from moving parts,
such as the gear shift and seat rails.
— Place all cables away from hot places,
such as near the heater outlet.
— Do not connect the yellow cable to the bat-
tery by passing it through the hole to the
engine compartment.
— Cover any disconnected cable connectors
with insulating tape.
— Do not shorten any cables.
— Never cut the insulation of the power cable
of this unit in order to share the power
with other devices. The current capacity of
the cable is limited.
— Use a fuse of the rating prescribed.
— Never wire the negative speaker cable di-
rectly to ground.
— Never band together negative cables of
multiple speakers.
! When this unit is on, control signals are sent
through the blue/white cable. Connect this
cable to the system remote control of an exter-
nal power amp or the vehicle’s auto-antenna
relay control terminal (max. 300 mA 12 V DC).
If the vehicle is equipped with a glass anten-
na, connect it to the antenna booster power
supply terminal.
! Never connect the blue/white cable to the
power terminal of an external power amp.
Also, never connect it to the power terminal of
the auto antenna. Doing so may result in bat-
tery drain or a malfunction.

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