NEED HELP ! no high speed on fan

[adam6640]

I have no high on the heater/A/C fan,I have replaced the fan relay under the hood & the fan switch in the dash also have a new blower motor & still no high when you put it on high it is just like you are turning it off & there is a clicking noise under the hood when you put on high,any help would be appreciated thanks
car is a 1980 Grand am

 

[v2vera]

Check out the third post on this thread, seemed to be the problem for a few of us.

viewtopic.php?f=16&t=29464

 

[watchdog]

Check out the third post on this thread, seemed to be the problem for a few of us.

viewtopic.php?f=16&t=29464

Yep, thats what it was for me too.

 

[adam6640]

Just wanted to say thanks for the info, I don't have a tester, to check the wires,could someone recommend a tester, I haven't had time to look at it this week either it has been between 105 & 110 degrees when I get home from work & just don't feel like it & I am in Oklahoma a SoCal transplant,with these temps you would think I was in Phoenix area
Thanks

 

[watchdog]

Could probably just get away with a test light and check for power on both sides of the connection/corrosion.

 

[v2vera]

You could also follow the red wire to the harness behind to the left of the Carb. thats where I found mine to be burnt. It was right at the harness connection. hope that helps.

 

[adam6640]

It is so Awesome how Gbody owners are so cool and really do care about others
this is an awesome website