Generac Power Systems TXP - Manual (Page 32)

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A.) Depress locking tangs of Print­
ed Circuit Board connector plug and
disconnect plug from its receptacle.
On the connector plug, locate Pin #
4 to which Wire #20 attaches. Set
the VOM switches to ’.’AC" and to 2,5
Volts, Connect one VOM test probe to
Connector plug Pin #4 and the other
test probe to ground. Crank the eng­
ine - Tneter needle should swing up­
scale and indicate approximately 0,5
volts AC (pulsing voltage),
RESULTS: 1,) Meter indicates 0,5 Volts
2,) Meter does not indicate,,
0,5 volts
TEST 18
- PRINTED CIRCUIT BOARD
,Go to Paragraph ”B”
.Check Wire #20 between Print­
ed Circuit Board and Terminal
Strip, and between Terminal
Strip and Ignition Module for
open or shorted condition.
B.) Plug printed circuit board
connector plug in. Locate Wire
#14 connection at terminal strip.
Set VOM to "+DC" and to ''50V'
scale. Connect POSITIVE (+) meter
test probe to terminal strip wire
#14 connection and other test
probe to ground. Crank the engine.
Meter should indicate battery vol­
tage (9-12 volts DC),
RESULTS: 1,) Meter indicated 12 volts,
2,) Meter did NOT indicate,,.
12
volts
TEST 19 -
FUEL FILTER
Remove and replace the In-Line
Fuel Filter, Make sure arrow on
Fuel Filter points towards the
solenoid-operated Fuel Shutoff
Valve, Repeat TEST 16 on Page
4.10 (No Fuel Flow).
Issued 3-78
• Continue tests in ’’Diagnostic
Flow Charts”, Section 3
Check Wire. #14 between Terminal
Strip and Printed Circuit Board
for open or shorted condition.
If not open or shorted, replace
Printed Circuit Board,