Macadoo

I've been looking for the answer to this all day. Nothing online and nothing in the CSM that I can find.
I want to test my blower motor before I put the inner wheel well back in but can't figure out how to hook it up. Purple wire is the power feed (through resistor) but where do I ground it? I'm using the charged car battery for juice and jumper cables off an old battery charger. I watched Rob's video but I can't make out the connection.
Thanks guys.

RandyS

I believe the housing is the ground. (not unlike a horn)

Macadoo

So, power from bat to resistor. Negative bat lead to housing? I'll try it.

This isn't much help.
[IMG][/IMG]

Macadoo

Okay, got it. Power from batter to resistor but ground from batter to resistor housing. So is that what I screw the ground strap to for installation, the resistor mounting screw? I'll get a pic in a sec.

Nop

Faster!

Wise! (No questions, please! Search the "What have you done to your Oldsmobile today" thread...)

Ground comes through a short cable from the firewall nearby, see image. Obviously the plastic/fibre air duct is not ground.

Macadoo

[IMG][/IMG]

Nop

Yes, "to here". And make sure it's really bare metal on ring of wire, new painted fan housing and all parts.

also make sure it'll stay that way.

Macadoo

Thanks Nop. And may I say...Dayum, you've got a nice looking ride!

Nop

Thanks!

I was about to cut a hole in my inner fender but decided to rip it all apart again when the ground rattled loose after 2 days....

Macadoo

Can't blame you for wanting to cut a hole. I don't want to go through this again. Motor tested fine but I found a bad leak. Seems the caulk fell out of place when I was putting the box back on. Of course it was right against the inner fender. Nothing like caulking with a screwdriver