Don't know if this will help.....
PINPOINT TEST DC: TURN SIGNAL LAMPS OR HAZARD FLASHER ON CONTINUOUSLY
DC1 ISOLATE MULTI-FUNCTION SWITCH
Disconnect multi-function switch connector C2.
Did lamps go out?
Yes No
REPLACE multi-function switch. RESTORE vehicle. RETEST system. SERVICE internal cluster short to B+. RESTORE vehicle. RETEST system.
PINPOINT TEST DD: HAZARD FLASHER INOPERATIVE
DD1 CHECK SUPPLY TO INDICATOR FLASHER
Gain access to indicator flasher.
Using a voltmeter connected to a known good ground, check Circuit 385 (W/R) for voltage.
Is B+ present?
Yes No
GO to DD4 GO to DD2
DD2 CHECK SUPPLY CIRCUIT TO INDICATOR FLASHER
Using a voltmeter connected to a known good ground, check Circuit 385 (W/R) at output side of Fuse 29 (15A).
Is B+ present?
Yes No
SERVICE Circuit 385 (W/R) for open circuit. RESTORE vehicle. RETEST system. GO to DD3
DD3 CHECK CIRCUIT 383 (R/W) FOR SHORT
Remove Fuse 29 (15A) from fuse junction panel.
Using an ohmmeter connected to ground, connect second lead to output side of Fuse 29 (15A) cavity. Measure resistance.
Is resistance 5 ohms or less?
Yes No
SERVICE Circuit 385 (W/R) for short to ground. REPLACE damaged Fuse 29 (15A). RESTORE vehicle. RETEST system. REPLACE damaged Fuse 29 (15A). RESTORE vehicle. RETEST system.
DD4 CHECK INDICATOR FLASHER GROUND
Using an ohmmeter connected to a known good ground, connect second lead to Circuit 57 (BK) at indicator flasher connector. Measure resistance.
Is resistance 5 ohms or less?
Yes No
GO to DD5 SERVICE CIrcuit 57 (BK) for open circuit. RESTORE vehicle. RETEST system.
DD5 CHECK CIRCUIT 383 (R/W)
Disconnect indicator flasher.
Connect one lead of an ohmmeter to Circuit 383 (R/W) at indicator flasher connector, connect second lead to Circuit 383 (R/W) at Pin C2-11 of multi-function switch.
Check continuity.
Is there 5 ohms or less?
Yes No
RECONNECT indicator flasher. GO to DD6 SERVICE Circuit 383 (R/W) for open circuit. RESTORE vehicle. RETEST system.
DD6 CHECK INDICATOR FLASHER OUTPUT
Using a voltmeter connected to a known good ground, check Circuit 44 (LB) for voltage.
Is B+ present?
Yes No
GO to DD7 REPLACE damaged indicator flasher. RESTORE vehicle. RETEST system.
DD7 CHECK MULTI-FUNCTION SWITCH OUTPUT
Actuate multi-function switch to the hazard flasher position.
Using a voltmeter connected to a known good ground, connect other end to Circuit 3 (LG/W) Pin C2-8 at multi-function switch.
Is B+ present?
Yes No
REPLACE indicator flasher. RESTORE vehicle. RETEST system. REPLACE damaged multi-function switch. RESTORE vehicle. RETEST system.