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Here I am

TC Lockup Switch... How does it do it?

Thread starter Yo Hoot
Start Date May 23, 2010

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Coolant drip - right front of engine? 2003

Blakers
May 22, 2010

Replies: 1
May 22, 2010

hose leak

azwiz
May 23, 2010

Replies: 1
May 23, 2010

Status: Not open for further replies.

I know the switch itself grounds the #7 wire which tells the solenoid in the valve body to activate.

The question is what is done in the build of a valve body that allows lockup in all gears or lockup in just 3rd and 4th? Is it a hyd/valve mod or electrical?

Status: Not open for further replies.

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TC Lockup Switch... How does it do it?

Coolant drip - right front of engine? 2003

hose leak

Yo Hoot

Turbo Diesel Register