Changes, Cautions, Corrections
NOTE:
See GM Pulse Wiper System in this section for some early production models.
1975 G.M. PULSE & MODIFIED PULSE WIPER SYSTEMS IDENTIFICATION AND INTERCHANGEABILITY
CAUTION:
Pulse system wiper motor is light grey in color and has three wires coming out of it. Modified pulse wiper system motor is dark grey in color and has two wires coming out of it. System components are not interchangeable, but one system can replace the other if the complete motor and pump assembly is used.