Radio - Interference

Group
39

No.
110

Date
March 1989

Radio Interference Suppression - Ignition System

A kit to counteract radio interference has been developed for the ignition system. This kit consists of a wiring harness which should be connected according to the directions below. For B230 FT engines, use kit no. 1398328-3, for B280 F engines, use kit no. 1398329-1.

B230 FT




Remove double leads (BL) from ignition coil.

Bend away and insulate loose leads.




Connect blue lead from interference suppression kit to ignition coil.

Route suppression kit wiring harness and clamp in place as shown in accompanying illustrations.

B280 F




Remove single and double blue leads to ignition coil. Route suppression kit wiring harness and clamp in place as shown on page 4.




Connect blue lead from interference suppression kit to ignition coil.

Detach connector on double leads. Attach new insulation sleeve and connector (included in kit) Connect connectors.

Following instructions pertain to both B230 FT and B280

Modify connections to interference suppression relay




Remove interference suppression relay.

Remove green/red lead from connector.




Connect green/red (female) lead from interference suppression kit to position previously occupied by green/red lead.

Connect green/red lead to green/red (male) lead from interference suppression kit.

Reconnect connector to relay.

Reinstall relay.







Route suppression kit wiring harnesses and clamp in place as shown in the two illustrations.

During the New Car Warranty period, claims must be submitted under:

Operation Number Labor Description Time Allowance

395492 Suppression Kit, Install 0.3 hr.