FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Relay Component Test

Testing an ISO relay can be accomplished through the use of three No.10 (or larger gauge) jumper wires and a 73 Digital Multimeter 105-R0051. Remove the relay to be tested from the power distribution box, fuse junction panel or individual connector.