SERVICE MANUAL NUMBER 23
CHARGING SYSTEM
Precautions
The following precautions MUST BE observed when working on the alternator system.
Failure to observe these precautions may result in serious damage to the alternator or
alternator system.
1.
2.
DO NOT attempt to polarize the alternator.
DO NOT short across or ground any of the terminals on the alternator, except as specifi-
cally instructed in the “Troubleshooting Tests,” following.
3.
4.
5.
6.
NEVER disconnect the alternator output lead or battery cables when the alternator is
being driven by the engine.
NEVER disconnect regulator lead from alternator regulator terminal when the alternator
is being driven by the engine.
ALWAYS remove negative (–) battery cable from battery before working on alternator
system.
When installing battery, BE SURE to connect the positive (+) battery cable to the positive
(+)
battery terminal and the negative (–) (grounded) battery cable to negative (–) battery
terminal.
7.
If a charger or booster battery is to be used, BE SURE to connect it in parallel with exist-
ing battery (positive to positive; negative to negative).
Batteries
Battery Cables
Select proper size positive (+) and negative (–) battery cables, using chart. Battery should
be located as close to engine as possible.
IMPORTANT: Terminals must be soldered to cable ends to ensure good electrical
contact. Use electrical grade (resin flux) solder only. Do not use acid flux solder as
it may cause corrosion and a subsequent failure.
Cable Length
Up to 3 - 1/2 ft (1.1m)
- 6 ft (1.1-1.8m)
ft - 7-1/2 ft (1.8-2.3m)
Cable Gauge
(25 mm2)
4
2
3-1/2
(35mm2)
(50mm2)
(50mm2)
(70mm2)
(95mm2)
(120m2)
6
1
7-1/2
9-1/2
- 9-1/2 ft (2.3-2.9m)
- 12 ft (2.9-3.7m)
0
00
000
0000
12
15
- 15 ft (3.7-4.6m)
- 19 ft (4.6-5.8m)
90-861326--1
MARCH 1999
Page 4C-5
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...