Multec 3.5 Fuel Injector Application Manual Product Handling
Delphi Energy and Chassis Systems
Revision: 11/05-1 6-7
Harness connector
• Carefully installing the harness connector will prevent terminal
damage. Listen for a positive audible click from the connector
retention device — this ensures that it is fully engaged. If the
connector is equipped with a Connector Position Assurance (CPA)
feature, the CPA is pushed forward into the locked position after the
main injector lock tab is engaged. The CPA is intended to verify the
mating electrical connector is seated properly.
• Avoid unnecessarily disconnecting/reconnecting the harness connector.
• To remove the mating connector, first disengage the CPA (if present) to
its staged position, and then depress the lock lever on the connector to
disengage the mating connector from the injector. See Figure 4-6,
Figure 4-7 ,
•
•
• Figure 4-8 and reference mating connector manufacturers’
recommendations.
• The wiring harness must be designed with enough slack at worst case
conditions to prevent tension on the wiring and injector connector,
which could result in electrical, disconnects.
• Wiring routing diagrams should be provided to assembly personnel to
document the proper wiring installation. Alternate wire routings,
though feasible, may result in connector or wiring tension that could
lead to electrical disconnects. Proper wiring routing and installation
techniques should be reviewed during engine / vehicle pilot builds.
• Wires routed in a manner that can allow them to become pinched
between components can result in a short circuit and a stuck open
injector.
• For injectors that require orientation for spray pattern, do not rotate the
injector in the fuel rail assembly to install the injector electrical
connector. This may dislodge the retaining clip, and result in improper
spray orientation
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