Neutral safety switch

[Bill Shaw]

You might try rigging up a switch in the cab for a test.  Flip the switch when you shift to neutral and see if it solver your problem.  If not you cal start looking elsewhere for the problem.

Bill

Darren Floen wrote:

> Does anyone happen to know a source for a tranny mounted neutral safety
> switch for a TH350?I need this to get my 4.3 running properly in my
> Toy.I can't get it to idle properly......seems without a park/neutral
> switch,the VSS confuses the ECM and triggers the check engine light,then
> the idle starts surging from near stalling to about 1800 rpm's.The TB
> has been cleaned and a new IAC was installed.
>
> I tried ungrounding the conection,and running it up to 40 MPH on
> stands,to reset the IAC,but it made no difference.I'm using a Howell
> harness.I've had little time lately to play with it,so i figured i'd ask
> before i go any further.
>
> After i get a switch installed,any tips on where else i can look?
>
> Any tips?
>
> I'm in digest mode so please CC any responses to dfloen at tbaytel.net
>
> Thanks,
>
> Darren Floen
> Thunderbay,Ontario
>
> 85 Toyota 4x4 Xtracab 4.3 TBI TH350
> 6" Custom lift,RS 9012's,Detroit+True Track
> 5.29's,Crossover steering,35" Boggers,glass bed
> "Lotsa dents and scratches"

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