69 HiSpd AC Fan - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 9 (permalink) Old Sep 8th, 00, 06:10 PM Thread Starter
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Marty
 
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Location: Houston, TX
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Have a 69 with factory AC. It works great, but the fan won't blow at all when the switch is set to high. Also I've noticed that the switch itself is a bit ragged - being a bit tough to move at different times. Any ideas?

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post #2 of 9 (permalink) Old Sep 8th, 00, 09:02 PM
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Steve
 
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I can't help you with the switch...but the fan resistor assembly is located on top of the evaporator case. It is held in with 2 bolt. Pull it out and check for a broken reisistor or connection.

PS - Welcome to the group....your car an LA or Norwood build?

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Steve McCorry - Central Ohio Camaro Club
'69 Camaro RS/SS-350 - Daytona Yellow
'95 Camaro Z-28 - Sebring Silver
click here to see my webpage ---> www.mindspring.com/~mccorry (updated 9/1/00)
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post #3 of 9 (permalink) Old Sep 9th, 00, 08:27 AM
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My money is on the switch. All power for the fan runs through the relay, but HIGH has no resistance. Since the relay seems to be operating, the switch is the likely culprit.

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post #4 of 9 (permalink) Old Sep 9th, 00, 08:39 PM
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Hey 69SS,
If the low speeds are working the resistor pack is ok. the high blower is a seprate circit, some of the early cars had a 30 amp inline fuse on the firewall to the pass side just past center. Sorry I can't remember when they went to high blower relays. If it has the relay it will be on the AC housing under the hood.

Good Luck
Larry
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post #5 of 9 (permalink) Old Sep 9th, 00, 09:05 PM
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Location: Irving, TX, USA
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My 69 El Camino has both an inline fuse and a relay on the AC housing (fuse in the wire to the relay), so I might assume the 69 Camaro does too.

Hope this helps.

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[This message has been edited by derekf (edited 09-09-2000).]
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post #6 of 9 (permalink) Old Sep 12th, 00, 05:02 PM Thread Starter
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Marty
 
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Angry

Well guys, thanks for the help. Unfortunately, I didn't get a chance to use it. I pulled out of the drive way this morning, got about a 1/4 mile away from the house when I smelt an electrical burning smell. I immediately started turning off AC, radio and headlights. I started to turn around back to the house when I noticed a bit of "light" around the AC gauge panel. Next a bit of smoke creeping up through the defrost vents!!! By the time I got to the driveway, I had a small fire under the dash just above the radio. Got it put out, but not before several AC wires, cables and hoses were melted. The defrost vent has a 3" hole burnt into it and several other wires are melted. Looks like I may be adding a wiring harness to my list of needs.
Any suggestions on the best place to get a new wiring harness?
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post #7 of 9 (permalink) Old Sep 12th, 00, 05:27 PM
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M&H. Simply the best there is.

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post #8 of 9 (permalink) Old Sep 13th, 00, 12:47 PM Thread Starter
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Marty
 
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What does M&H stand for and where can I find them?

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Marty Paulk
69 Camaro SS 350
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post #9 of 9 (permalink) Old Sep 13th, 00, 01:46 PM
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Carl
 
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Hope this link works..
http://www.wiringharness.com/

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