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Window switch problem can anyone help??

firebird380hp
10-21-2006, 07:44 PM
CAr is a 99 ls1 the switch is a msd 8956.......
White wire to the white wire#10 on the ecm
Black- hooked to ground
Yellow- Tried it 2 ways one time on the fpss and then on the wot swtich
Red- just installed the switch so went straight to the battery till I could get it to work.......but no luck is there something I'm doing wrong? I also have the wires cut so it reads 4 cyl. mode.

Thxs. Robert
s_willis
10-22-2006, 08:11 AM
CAr is a 99 ls1 the switch is a msd 8956.......
White wire to the white wire#10 on the ecm
Black- hooked to ground
Yellow- Tried it 2 ways one time on the fpss and then on the wot swtich
Red- just installed the switch so went straight to the battery till I could get it to work.......but no luck is there something I'm doing wrong? I also have the wires cut so it reads 4 cyl. mode.

Thxs. Robert

Take one wire off the WOT switch and hook it to the yellow wire. Then take the BLACK wire from 8956 and hook it to the spot you took the wire off the WOT switch. Just remember that you will fry the Window switch if you try to use it to fire the solenoids.
firebird380hp
10-22-2006, 08:52 AM
Okay thanks I'll try that