What components are shown in the rear wheel speed sensor jumper harness diagram?

Figure 19 identifies (1) the Connector Position Assurance (CPA), (2) the Rear Wheel Speed Jumper Harness Connector, (3) the Rear Wheel Speed Jumper Harness, and (4) the Rear Wheel Speed Jumper Harness Retaining Clip. The left hand side is shown; the right hand is similar.

What is a Connector Position Assurance (CPA) lock on ABS/ETS connectors?

Some ABS/ETS components use electrical connectors with a CPA lock, which ensures that when the connectors are installed they are aligned properly and connected securely.

What precautions apply when servicing CPA-locked electrical connectors?

Remove the lock before separating the connectors, take care not to damage the locking pin during removal, make sure the rubber connector seal is in place before and after connection, and always install the lock after the connection is made.

Where is the Electronic Brake Control Relay shown?

Figure 20 shows the Electronic Brake Control Relay (item 2) mounted near the EBCM/EBTCM (item 1, typical).

Where do I find fuse and fusible link repair information for the ABS/ETS system?

The document says to refer to CELL 8A for fuse and fusible link repair or replacement information.

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Pontiac Grand Prix ABS/ETS Rear Wheel Speed Sensor Harness & EBCM Relay - 5E2-273

GM Antilock Brake System ABS/ETS rear wheel speed sensor harness and Electronic Brake Control Relay diagram 5E2-273

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Service manual page documenting ABS/ETS rear wheel speed sensor jumper harness with Connector Position Assurance locks and the Electronic Brake Control Relay (EBCM/EBTCM); refer to Cell 8A for fuse/fusible link replacement.

AI caption August 2007 · Photo 33 of 59

This is page 5E2-273 from a GM service manual section covering the Antilock Brake System (ABS) and Enhanced Traction System (ETS). The page contains two labeled illustrations. Figure 19 shows the rear wheel speed sensor jumper harness (left hand shown, right hand similar) with a four-item legend identifying the Connector Position Assurance (CPA), the rear wheel speed jumper harness connector, the jumper harness itself, and its retaining clip; a circular inset provides a close-up detail. Figure 20 depicts the Electronic Brake Control Relay location, with the legend identifying the EBCM/EBTCM (Typical) and the Electronic Brake Control Relay. The text section titled ELECTRICAL CONNECTORS (referencing Figure 21) explains that some ABS/ETS components use Connector Position Assurance (CPA) locks to ensure connectors are aligned properly and connected securely. An 'Important' note lists four precautions: remove the lock before separating connectors, avoid damaging the locking pin during removal, verify the rubber connector seal is in place before and after connection, and always install the lock after the connection is made. A final section, FUSE AND FUSIBLE LINKS, directs readers to CELL 8A for repair or replacement information. This page helps a technician identify ABS harness components and handle CPA-locked electrical connectors correctly.

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Frequently asked questions

What components are shown in the rear wheel speed sensor jumper harness diagram?: Figure 19 identifies (1) the Connector Position Assurance (CPA), (2) the Rear Wheel Speed Jumper Harness Connector, (3) the Rear Wheel Speed Jumper Harness, and (4) the Rear Wheel Speed Jumper Harness Retaining Clip. The left hand side is shown; the right hand is similar.
What is a Connector Position Assurance (CPA) lock on ABS/ETS connectors?: Some ABS/ETS components use electrical connectors with a CPA lock, which ensures that when the connectors are installed they are aligned properly and connected securely.
What precautions apply when servicing CPA-locked electrical connectors?: Remove the lock before separating the connectors, take care not to damage the locking pin during removal, make sure the rubber connector seal is in place before and after connection, and always install the lock after the connection is made.
Where is the Electronic Brake Control Relay shown?: Figure 20 shows the Electronic Brake Control Relay (item 2) mounted near the EBCM/EBTCM (item 1, typical).
Where do I find fuse and fusible link repair information for the ABS/ETS system?: The document says to refer to CELL 8A for fuse and fusible link repair or replacement information.