Wirthco battery doctor 20090 User Manual

BATTERY ISOLATOR

WARNING

PLEASE READ THESE INSTRUCTIONS COMPLETELY PRIOR TO INSTALLATION.

BATTERIES PRODUCE EXPLOSIVE GASES - Ensure no sparks or flames are present.

Wear eye protection.

Vehicles must be in "NEUTRAL "or "PARK ", park brakes "ON "

 Follow all vehicle manufacturers' instructions.
 Beware of moving parts.
Battery Isolators are designed for negative ground alternator systems with batteries of the

same nominal voltage.
Batteries of differing voltages cannot be used.


FEATURES

Easy to Install - The electronic isolator does not require any changes to the vehicle's existing

wiring. It can be fitted to all 12V vehicle types.
Priority Charging for Starting Battery - Ensures that the starting battery is fully charged before

connecting the auxiliary battery in parallel.
Manual Override - If the starting battery is flattened and the auxiliary battery is charged, the

electronic isolator allows the batteries to be manually paralleled to jumpstart the vehicle.
 Over-Current Protection – Protects the Isolator and charging system from over current
damage, which could occur due to a short circuit in the wiring.
Surge Protection - Provides surge protection for vehicles with electronic ignition/

management systems.

SPECIFICATIONS

PART NO.
VOLTAGE
CHARGING
CURRENT
CHARGE TYPE
CONTROL
MOUNTING
CURRENT DRAW
VOLTAGE DROP
SURGE
PROTECTION
USER'S MANUAL
#20090
12V
75A/100A peak
Parallel
Electronic
Surface/firewall/battery side
Charging 500mA
(Standby 30mA)
None
Built in
1
#20092
12V
125A/150A peak
Parallel
Electronic
Surface/firewall/battery side
Charging 500mA
(Standby 30mA)
None
Built in