G 85 Engine Starting Troubleshooting
wc_tx000678gb.fm 65
7.4 Checking the Starter Relay
Prerequisites î Battery voltage measuring 11â13VDC
Procedure Follow the procedure below to check the starter relay.
1. Locate the starter relay.
2. Check the voltage between the red wire running from the starter to the starter relay and
ground.
Is at least 9.8VDC measured?
3. Place the START/RUN switch in the ON position.
4. Check the voltage between red wire #422 and ground during cranking.
Is at least 9.8VDC measured?
5. Check the connection to ground of black wire #050D and black wire 14.
Is there a path to ground?
6. Place the START/RUN switch in the ON position.
7. Check the voltage between the red wire running to the starter solenoid and ground
Is at least 9.8VDC measured?
The starter relay has now been checked. Continue with Checking the Starter Solenoid.
Yes____ No____ Your reading
Continue Repair or replace the red wire.
Yes____ No____ Your reading
Continue Repair or replace wire #422.
Yes____ No____ Your reading
Continue Repair or replace wire #050D or wire #14.
Yes____ No____ Your reading
The starter relay is OK. The starter relay has failed;
replace it.
wc_gr003912
Starter
relay
Intake heater
relay
R 50
R 422
B 050D
R
85
86
30
87
R 11
R 12
B 14
Gr 65
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