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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 9336
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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1994 w900 kenworth tractor how does tachometer work so i can

Customer Question

1994 w900 kenworth tractor how does tachometer work so i can check wires
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I will help you with this

some work off the Alternator, others work off the ECM

I hope this helped you

Customer: replied 1 year ago.
A1994 where off altenator
Customer: replied 1 year ago.
In getting power ground and 2 wires have 3.8 volts on back of plug what am i suppose to have
Customer: replied 1 year ago.
The ecm reads not gauge
Expert:  Wayne replied 1 year ago.

Hi

On the alternator is a terminal "W"

what plug you measuring at 2 wires

Customer: replied 1 year ago.
On back of tachometer i have no plug or wire on altenator whats supposr to be there
Expert:  Wayne replied 1 year ago.

Hi

where were you measure 3.8 volt on a PLUG

Customer: replied 1 year ago.
In back of tachometer
Expert:  Wayne replied 1 year ago.

OH OK,

then that is correct voltage 3.0 to 4.9

Customer: replied 1 year ago.
There is no ecm in truck sorry my brother just told me
Customer: replied 1 year ago.
How about censoring bell housing
Expert:  Wayne replied 12 months ago.

Hi

Sorry for long delay was away

if you have a 1994 KW with out a ECM

you are the only one in the world to have that

so you are saying your whole engine is Mechanical ??

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