Installation Manual

PureFlow AirDog®

AirDog® FP-100 & FP-150 1998.5-2004 Cummins Diesel

Section 7 (Continued) Wiring Harness

Connecting the AirDog® Relay Control to the ECM

7-2. Disconnect the OE fuel pump lead from the ECM pump lead. The Original Equipment

fuel pump lead extends about 5 inches from the pump. The Deutsch, two pin connector

is at the end of this lead. Look for it below and to the rear of the filter canister.

7-3. Carefully route and connect the AirDog® relay lead, the Grey Deutsch two pin connector

on the AirDog® wiring harness, to the ECM pump lead.

Connecting the Power Supply Leads to the Alternator or Battery

Note: Connecting the power supply leads to the alternator instead of the battery will create a

corrosion resistant connection.

7-4A. Route the Red and Black power supply leads to the alternator. Connect the Black (-) lead

to the alternator Chassis Ground connection. Connect the Red (+) lead to the alternator

Hot Lead going to the battery.

Figure 53

Black (-)

Red (+)

Replace the Protective Cover

Figure 55

Figure 56

Figure 54