Tape Player - Ignition Noise Through Speakers

RADIO - IGNITION NOISE THROUGH FACTORY Article No.
TAPE PLAYER - 4.9L - WITH TSB MODIFICATION87-3-20 87-7-20


LIGHT TRUCK: 1984-86 F SERIES, BRONCO


ISSUE: Ignition noise through the radio speakers when operating the radio in the tape player mode may result if a new multispark ignition module was installed to correct a rough idle condition per TSB 87-3-20.

ACTION: To correct this, modify the multi-spark ignition module wire harness as outlined in the following service procedure.

1. Shorten the heavy gauge BLACK wire on the module to 14 inches (357 mm). Crimp on a new solderless lug and hook up wire directly to negative terminal of battery.

2. Perform TSB 86-24-26 to eliminate the radio noise.

OTHER APPLICABLE ARTICLES: 86-24-26, 87-3-20
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual
OPERATION: SP870720A
TIME: 0.3 Hr.
DLR. CODING: Basic Part No. 12A199
Code: 85