Edelbrock 3550 User Manual page 19

A.
This 5-inch IAC wiring harness is attached between the Idle Air Control, mounted on the air valve, and Connector J3 on the Main System Harness.
B.
This 3-foot ignition amplifier wiring harness is attached to the distributor cap with the connector at right above, and at the ignition amplifier with
the connector on the left above. The ground goes to the rear of the cylinder head. When used with a small cap distributor or any distributor with
an external ignition coil, this harness must be slightly modified. The three wire leads at the distributor connector (on the right below), must be cut
from the connector (or released with a small screwdriver) and individually routed using the provided terminals. The black wire may be removed
between the connection on right above and the 3/8" ring lug. The 3/8" ring lug must still be grounded on the rear of cylinder head. The red and
brown wires are routed as follows:
RED: ignition coil positive (+) terminal +12 start/run also.
BROWN: ignition coil negative (-) terminal Sleeves and tie-wraps are provided to fit over the terminals once the wires are is installed.
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©2005 Edelbrock Corporation
Pro-Flo EFI Installation Instructions
Rev. 10/05 Brochure No. 63-0115