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Cooling fan not working and other woes.

 
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Quasi-Traction
"I have petals"


Joined: 24 Oct 2005
Posts: 3873
Location: stumptown

1986 Chevrolet Camaro Berlinetta

PostPosted: Mon Nov 13, 2006 11:42 am    Post subject: Cooling fan not working and other woes. Reply with quote

so I decided to wake the neighborhood up, by taking out the berlinetta to my dentist.

Drove there just fine (he's about 30 blocks from my house)

on the way back I noticed the temp was creeping up....got about halfway home, and it was creeping up to 210 degrees. I stopped and let it sit for about half an hour. Started it back up and drove it the rest of the way home.

My cooling fan does not appear to be coming on at all....

I have the single fan setup....I know with the dual fans, one is a relay off the block, and the other is controled by the ECM.

I'm wondering since I dont have an ECM anymore if the single fan goes off that instead of the block switch.any idea where to start checking?

My wipers worked again...really slow. they eventually froze and a little push got em moving again. I think the linkage is hanging up somewhere...made for a rather intresting trip on the way back, since It started raining then.

I'll think I"ll need a new clutch too... it bogs a lot if its below 1500rpm. I should have just ponied up and bought a new clutch instead of using the one out of the 85.

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blue89
Member


Joined: 23 May 2006
Posts: 3482
Location: Bellingham/Eugene

1986 Chevrolet Camaro RS

PostPosted: Mon Nov 13, 2006 11:57 am    Post subject: Reply with quote

Does the block switch control the ground of the fan directly? If so, it would be easy to check continueity with a multimeter. I would assume that the block switch would control a relay tho.
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86 RS - 7.4L V8 SOLD
89 RS - 3.25L V6 REMOVED
89 RS - 5.7L LT1 SOLD
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chevymad
Master B


Joined: 11 Jan 2004
Posts: 5476


1987 Pontiac Formula

PostPosted: Mon Nov 13, 2006 6:41 pm    Post subject: Reply with quote

The switch on the passenger head controls the single fan. It grounds the relay activating it. If you only got to 210 you werent hot enough yet. Factory fan switch kicks on at 225-230. I used a marine Idiot light switch to get mine to kick on at 200.
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Twilightoptics
Hardcore (12sec Club)


Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA

1987 Chevrolet Camaro IROC-Z

PostPosted: Mon Nov 13, 2006 7:07 pm    Post subject: Reply with quote

And did you make sure you hooked the block switch back up?!
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Quasi-Traction
"I have petals"


Joined: 24 Oct 2005
Posts: 3873
Location: stumptown

1986 Chevrolet Camaro Berlinetta

PostPosted: Mon Nov 13, 2006 8:54 pm    Post subject: Reply with quote

There are two wires I couldnt' figure out what they went to...

One big black one and two red ones....they appear to route towards the relay on the passenger front by the fan.

Duh

those are probably the switches for it...I'll check my wiring diagrams.

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Xophertony
Rodeo Queen


Joined: 13 Oct 2005
Posts: 5306
Location: Portland, Oregon.

1988 Pontiac GTA

PostPosted: Mon Nov 13, 2006 11:40 pm    Post subject: Reply with quote

does the big black one have a red stripe? if so this is your switched hot to the fan.
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