Radio Display Does Not Dim with Instrument Panel Dimmer Switch. Isuzu S/T Isuzu

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 2WD 🢒 Body and Accessories 🢒 Entertainment 🢒 Radio Display Does Not Dim with Instrument Panel Dimmer Switch

Step	Action	Value(s)	Yes	No
1	Did you perform the Radio/Audio System Check?	--	Go to Step 2	Go to Radio/Audio System Check
2	Disconnect the radio connector. Turn the headlamp switch to the PARK position. Connect a test lamp from CKT 1220 (GRY) at the radio connector to ground. Does the test lamp light?	--	Go to Step 3	Go to Step 4
3	Service the radio. Refer to Radio Replacement . Is service of the radio complete?	--	Go to Radio/Audio System Check	--
4	Repair an open in CKT 1220 (GRY) between the radio connector and the IP fuse block. Is the repair complete?	--	Go to Radio/Audio System Check	--