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    aguilareal's Avatar
    aguilareal Posts: 31, Reputation: 1
    Junior Member
    		  
    #1

    Dec 15, 2010, 04:16 PM
    How to test relays for toyota 4 runner 1990
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Dec 16, 2010, 05:00 AM

    What system are you having problems with?
    Simple relay tests require a non-powered test light and/or a DVOM, some jumper wires and a little knowledge of DC circuits.
    Many relays have power only during certain conditions.
    What symptoms are you having?
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