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05-18-2003, 09:00 AM
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#1 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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SM465 wires
I got my automatic going in the blazer finally and was taking care of some loose ends. The dark green and light green wires going to the 4 speed are the back up lights. What is the lone black wire for? Neutral switch? If it is it never worked. I tryed to find it on my GM wireing diagram, but had no luck.
Thanks, Randy 
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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05-19-2003, 07:55 AM
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#2 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,510
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The other switch on a 465 (besides the reverse gear ind.) is a high gear switch for the TCS system. The switch grounds the wire when the tranny is in 4th gear.
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Tim |
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05-21-2003, 04:18 PM
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#3 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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thanks Tim!
No need for that wire any more. Randy
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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05-21-2003, 09:14 PM
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#4 |
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Careful, they attack...
Join Date: Aug 2001
Location: Waterford, MI, USA
Posts: 1,107
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TCS system? What's that? Never heard of it.
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05-22-2003, 09:11 PM
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#5 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Transmissin controled spark...?
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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05-23-2003, 06:41 AM
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#6 |
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Careful, they attack...
Join Date: Aug 2001
Location: Waterford, MI, USA
Posts: 1,107
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Really, or are you just guessing?
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05-23-2003, 09:37 AM
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#7 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,510
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Yes, Transmission Controlled Spark. Do a search if you are interested in how it works.
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Tim |
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Hybrid Mode
