Batteries - Jeep 1987 Wrangler Workshop Manual

ELECTRICAL
BATTERIES
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GENERAL INFORMATION
The batteries used on 1986 Wrangler/YJ
models are lightweight, low-maintenance type
batteries. They require inspection of the
electrolyte level only at the beginning of each
winter season and every 24 000 km (15 000 mi).
In addition to the standard equipment 421 cold
crank amps battery, a 452 cold crank amps
battery is optionally available for vehicles
equipped with heavy-duty equipment. Both
batteries are 12-volt, lead composition-acid
units.
The vehicle battery tray has a removable spacer
that, when removed, will permit the installation
of a substitue conventional size group 24
battery in the event a lightweight replacement
battery is not available.