Ok so one is indeed the ground. How do I check to see if ground is working. 
Kaleb said to jumper it to another known ground but how do I do that when the 
connector connects everything together? Jumper every contact in the connector 
with every corresponding pin on the relay? That is technically challenging to 
do. 

Sent from my iPhone

> On May 14, 2023, at 1:36 PM, Jim Cathey <jim.cathey...@gmail.com> wrote:
> 
> 
>> 
>> Could one be a ground?
> 
> One would have to be.  Electronics, _all_ electronics, works in circuits.
> As in: innie _and_ outie.  There is no yin without yang, etc.
> 
> Check them all, make no assumptions.
> 
> Generally, in these cars, there are a few major ground points where all
> the brown wires come together.  If one of those points starts to go bad,
> all hell breaks loose.
> 
> -- Jim
> 


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