john m troup
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#2
check out volvowiringdiagrams.com to see the components. Could be the switch under dash (ie the brake disengage switch) or a speed sensor. Have you access to an OBD2 reader to check for codes?
Assuming your S70 is set up similar to the 850s, here's pretty good resource to get some understanding of how the system works. Note the codes listed are the OBD1 3 digit codes not what you'd see on an OBD2 reader
Volvo 850 cruise control
Assuming your S70 is set up similar to the 850s, here's pretty good resource to get some understanding of how the system works. Note the codes listed are the OBD1 3 digit codes not what you'd see on an OBD2 reader
Volvo 850 cruise control
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