Section 18-01: Wiring and Circuit Protection
1994 Mustang Workshop Manual
SERVICE PROCEDURES

Warning Chime Module Service Precautions

 CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.

If service of any module is required, use the following safeguards to avoid damage to components.

NOTE: The following chart shows typical values for static charge generation.



Activity Relative Humidity
Low (10-20%) Volts High (65-90%) Volts
Walking Across a Carpet 35,000 1,500
Walking Over a Vinyl Floor 12,000 250
Working at a Bench 6,000 100
Sliding Across a Vehicle Seat 25,000 1,000

  1. Leave the electronic modules in their original packaging until ready to install in vehicle.
  1. Avoid touching module connector pins.
  1. Avoid laying modules on non-conductive surfaces.
  1. As an added safeguard, use a 3M Static Protection Kit (3M part number 18293). This kit contains special wrist straps, a 15-inch x 24-inch flexible conductive mat, grounding cords and full instructions. It is available through local 3M suppliers.