Beta Marine BV1903 Operator's Maintenance Manual page 22

Electrical fault finding –Non Beta Panels
Engines can be supplied wired up to suit VDO switch senders, usually fitted to a non-Beta control panel.
If so refer to our wiring diagram 200-60971/01 (also part number for replacement harness)
•
Loom is configured differently in the 11-way plug to accommodate the extra wiring.
•
Small brown wire (battery sensed alternator feed) fitted with bullet connection beside harness plug.
•
Oil pressure & water temperature switch / senders fitted to engine, requiring individual connections
for driving gauges & warning lamps.
Note:
Water temperature switch / sender
- large spade is sender connection
- small spade is switch connection
Oil pressure switch / sender
- G
- M
- WK
Electrical fault finding –Extension harnesses
Some installations require one of the panel extensions 11 way connectors to be removed to allow the
cable to be passed through bulkheads etc. If any panel problems are experienced after this may have
been carried out, visually check all 11 way connections on engine harness to panel extension (and
panel extension to panel on 2c deluxe) to ensure wire colours to each terminal match up to the
correct colour in its corresponding terminal. Extra attention must be given to black (ground) and
black/blue (tacho), also brown (switched positive to alternator) and brown/yellow (charge fail) as these
connections are harder to distinguish between in poorly lit areas. Whilst doing this check integrity of
each connection to ensure terminals have not become damaged. Once checked, re-fit cable tie around
each connection to keep them secure
Beta P/N's for replacement items:
Description
40 amp blade fuse (all panels)
Alarm board –all panels from June 05
Oil pressure switch 1/8"BSP (not 2c panels)
Oil pressure sender (2c panels only)
Oil pressure switch gauge (2c panels only)
Temperature switch with single terminal (on some BZ602 & BD902)
Temperature switch / sender 1/8"BSP (not 2b or 2c panels)
Temperature sender (2b & 2c panels only)
Water temperature switch gauge (2b & 2c panels only)
Voltmeter (2c panels only)
28Ra relay 12V 40A (fitted to rear of domestic panels)
Keyswitch, silver bezel
Panel stop button (all panels) –Also heat and start on 2ab'V'W
Tacho, 0-4000rpm with digital hour counter (all panels but 2a)
Standard engine harness Mini Series
Standard engine harness S5 Series
Standard engine harness S3 series
Iskra 65 amp sub loom
1m panel extension loom
2m panel extension loom
3m panel extension loom
4m panel extension loom
Domestic charge engine sub loom (top mounted alternators)
Green power on indicator lamp & retaining clip
Red warning indicator lamp & retaining clip
Note: the above part numbers are suitable for earth return installations only (where battery negative
cable is connected directly to engine ground). For insulated earth (where battery negative cable is
isolated from engine ground) different harnesses, alternators, switches for oil pressure and engine
temperature will be required. If your application is wired as insulated earth return and the engine will not
operate correctly, always check starter battery negative is connected to the correct terminal on the
isolating solenoid. It should be connected to the terminal which is also used for all the small black wires,
NOT the terminal with the single black wire connected directly to engine ground.
(Part number 200-01133)
(Part number 200-62680)
Gauge wire
Earth (ground)
Warning lamp
21
(green/blue)
(blue/yellow)
(white/brown)
(black)
(green/yellow)
Part number
200-00959
200-04655
600-62670
200-94350
200-96190
600-62820
200-01133
200-94360
200-96200
200-96210
200-87020
600-00057
200-00072
200-02373
200-98380/01
200-60973/05
200-05267
200-01196
200-04588/01
200-04588/02
200-04588/03
200-04588/04
200-01197
200-04656
200-04657