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73-87 Chevy _ GMC Trucks => 4 Wheel Drives => Topic started by: myfrontier02 on January 02, 2003, 07:38:00 pm

Title: 1987 s10 blazer 4wd problem
Post by: myfrontier02 on January 02, 2003, 07:38:00 pm
when i put truck in 4wheel drive the light on the conole doesn't light up and when i drive it the light will come up then turn off when i step on the brake ,the truck has auto hubs and also i notice a vacuum diapragm next to the battery tray with a rod that goes to the front axle  what does that do  , when i'm stuck in the snow and put it in 4wd  the front wheels don't drive ,any insight will be appreciated ,
thanks   andrew

Title: Re: 1987 s10 blazer 4wd problem
Post by: Kevin108 on January 03, 2003, 12:16:00 am
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