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Antitheft Relay: Testing and Inspection

Interrupt Relay

INSPECTION

Measure the interrupt relay resistance between terminals (indicated in the table) when connecting terminal No. 1 (without OnStar (R)) or No 4 (with OnStar (R)) to battery positive terminal and terminal No 4 (without OnStar (R)) or No 2 (with OnStar (R)) to battery ground terminal




Without OnStar (R):




With OnStar (R):

If the measured value is out of specifications indicated in table, replace security horn relay