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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: philo_beddoe on October 01, 2015, 09:54:56 am

Title: Accelorator tranny switch
Post by: philo_beddoe on October 01, 2015, 09:54:56 am

What is the function of this switch?

(http://images.tapatalk-cdn.com/15/10/01/813ff047bdbbf90ea4db1bc18b453f8d.jpg)

Title: Re: Accelorator tranny switch
Post by: bd on October 01, 2015, 11:52:53 am

Transmission detent (passing gear) switch for a TH400.

Title: Re: Accelorator tranny switch
Post by: philo_beddoe on October 08, 2015, 07:52:42 am

Ok, I do have a TH400. What is the tell tale sign that it is working properly?  Thanks,,

Title: Re: Accelorator tranny switch
Post by: bd on October 08, 2015, 09:31:39 am

The transmission should downshift when mashing the accelerator to the floor.

Title: Re: Accelorator tranny switch
Post by: philo_beddoe on October 08, 2015, 01:08:03 pm

Then its working! Thanks for your help.