72chevy2door
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What's this?
- Thread starter 72chevy2door
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72chevy2door
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- Jeff
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- Truck Model
- 1500 Sierra Classic suburban
- Engine Size
- 350
yevgenievich
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- sad
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looks like a torque converter lockup vacuum switch
72chevy2door
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Which one? The one by the booster?
yevgenievich
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The one closer by the booster. Can't tell what the other one is
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Yes, the vac switch by the booster is the Conveter Lock Up switch. Most confuse the one closer to the AC unit side as the lock up swtich, and it's not. That one is a Tip In switch for the Electronic Spark control. The one you pictured is Converter Lock Up.
72chevy2door
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Ahh! Thank you fellas! I really do appreciate it. It helps alot
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