6.4.5 Pulse-Controlled Glow Plug Relay
(only
in conjunction with SG 1561) (optional)
Description:
The relay for the pulse-controlled glow
plug serves
to
protect the glow plug from electrical
overloads. Current supply is kept constant throughout
a voltage range from
11.5
to
14 V (23 -
28
V),
at a
pulse rate of 0.8
Hz
with switching pulses of different
duration.
Electrical connection
(conversion/retrofitting)
- Checking the 2-pole connection for pulse-controlled
glow plug
relay.
- Cable colors yellow and white:
no
check required.
- Cable colors:
2x
yellow: continuity check
to
be per-
formed, replace cable if necessary
and
repeat test.
- For connections refer
to
wiring diagram.
NOTE:
For units equipped with battery isolator switch the
brown earth wire
(5)
is
to
be connected
to
the negative
pole of the battery.
Components 6
29
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