Battery In Vehicle; Negatively Earthed; Positively Earthed - Projecta PC400 Instructions Manual

STEP 2B – BATTERY IN VEHICLE
Determine if the vehicle is Positively (+) or Negatively (-) earthed. Negatively earthed
vehicles have a cable (usually black) from the Negative battery terminal to the vehicle's
chassis.
Negatively earthed (most vehicles)
Connect the RED lead (battery clip) from the charger to the Positive (+) battery terminal.
Connect the BLACK lead (battery clip) from the charger to the vehicle's chassis away
from the fuel line or moving parts.

Positively earthed

Connect the BLACK lead (battery clip) from the charger to the Negative (-) battery
terminal.
Connect the RED lead (battery clip) from the charger to the vehicle's chassis away from
the fuel line or moving parts.
8
Connection in vehicle

(negatively earthed)

Connection in vehicle
(positively earthed)