90-824052R3 JUNE 2002 FUEL SYSTEMS - 3C-29
Procedure B:
CAUTION
When checking voltage at pump, DO NOT pry
boot covers off terminals with a metal object, as
each terminal is at 12 volts when engine is off.
Serious damage to electric fuel pump and/or
ECM box can result.
Purpose: If insufficient electrical power is available
at the pump, no or low fuel pressure will be
developed.
Procedure: STEP 1: Set volt meter to read bat-
tery voltage and connect black test lead
to ground, positive test lead to positive (+)
post of fuel pump.
NOTE: Positive test lead can be pierced through boot
cover for testing. Refer to voltage test chart (page
3C-30) for voltage readings.
Positive Test Terminal
50345
STEP 2: Set volt meter to read battery voltage
and connect black test lead to ground,
positive test lead to negative (-) post of
fuel pump.
Negative Test Terminal
50345
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