Andreas Wickman
Full Access Member
- Joined
- Dec 19, 2018
- Posts
- 51
- Reaction score
- 45
- Location
- Sweden
- First Name
- Andreas
- Truck Year
- 1983
- Truck Model
- C20
- Engine Size
- 379
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I got it. I guess the door track (horizontal roller one) popped out on both sidesLooks like the back track is dragging the glass.
old post but it made me think.....are the windows from say a 79, are exactly the same as 81+ except for the glass thickness? I ask because my windows are slow even with the lmc relay kit. Hauls arse direct to battery but thought I'd ask. If someone had thicker glass in newer tracks (if they are different....dont know) this may explain why they are slow.The glass is thinner on 81+ I believe.
They do. I ran 14 AWG wire for power.My '77 glass runs up and down just fine in my '78 using '84 regulators. It does loose a little speed going through the relays compared to straight to the battery, but not much. It shouldn't be considerably slower. I used some cheap relays I got off Amazon and #8 AWG automotive wire off the engine bay aux terminal to power the relays. Runs just as fast as my '94 C3500. Does your glass run up and down fast in the channels wired straight to the battery?
All the replacement glass run kits are 73-80 and 81+. So the glass changed in 81 an not before (imo, I've never measured them) the only real difference is the runs an thicker to make up for the thinner glass. So if you had 81+ runs an a 80 an older glass it would probably be really tight.old post but it made me think.....are the windows from say a 79, are exactly the same as 81+ except for the glass thickness? I ask because my windows are slow even with the lmc relay kit. Hauls arse direct to battery but thought I'd ask. If someone had thicker glass in newer tracks (if they are different....dont know) this may explain why they are slow.
Thinking outside the box and thought I'd add.