MG MGB TOURER GHN5 Handbook page 48

Electrical
General The batteries must be kept dry and clean; cable and battery terminals should be
smeared with petroleum jelly.
BATTERY BOOSTING AND CHARGING
CAUTION: The following precautions must be observed to avoid the possibility of
serious damage to the charging system or electrical components of the vehicle.
Battery When connecting an additional battery to boost a discharged battery in the
boosting vehicle, ensure that:
Fig.
3 -the booster battery is of the same nominal voltage as the vehicle battery;
-the interconnecting cables are of sufficient capacity to carry starting current;
-the cables are interconnected one at a time and to the booster battery first;
-the cables are connected between the battery terminals in the following order:
first,
+
(positive) to
+
(positive) and then
-
(negative) to
-
(negative);
-the engine speed is reduced to 1,000 r.p.m. or below before disconnecting
the boost battery. The vehicle battery must never be disconnected while the
engine is running.
Battery When charging the battery in the vehicle from an outside source such as a trickle
charging charger, ensure that:
-the charger voltage is the same as the nominal voltage of the battery;
-the charger positive (+) lead is connected to the positive (+) terminal of the
battery
;
-the charger negative
(-)
lead is connected to the negative
(-)
terminal of the
battery.
F U S E S The fuses are housed under the fuse cover (1) mounted in the engine compart-
Fig.
4 ment on the right-hand wing valance.
Fuse connecting 1-2. The fuse (2) protects one parking lamp, one tail lamp, and
one number-plate lamp.
Fig.
3
I