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5/21/14 9:53am - Original Message: 'Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
Is there anyway I can test the wiper relay to see if its working properly. I know the wiper motor works I have bench tested it and the wiper switch is brand new. I did check the fuse first.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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5/21/14 1:02pm - Reply: 'Re: Wiper relay test'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
 Soitanly! LOL
For the relay(any relay) to work, it must first have 12v anytime the key is on on one of the terminals, usually the one with the largest red wire on it. Next, it must also have a ground to energize the relay. Then, it needs a signal from a source(wiper switch, etc) to command it to be energized. In some cases, this signal is actually the ground for the relay. And lastly, it has to have one wire going out to the component being controlled by the relay. I don't have the wiring diagrams handy right now, or I could specify which terminal on the relay is what. I can look later tho, and find out, unless someone beats me to it(Bob)..... Thumbs Up

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Joel Adams
C3VR Lifetime Member #56    
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/21/14 3:48pm - Reply: 'Re: Wiper relay test'
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152

Are you talking about the wiper delay I don't believe their is a basic relay in the wiper circuit?

This is for 1980 which I think is the same

http://www.C3VR.com/member_pages/4201_4300/4221/page-48-Delayed-pulse-wiper---Washer.jpg






|UPDATED|5/21/2014 12:48:25 PM (AZT)|/UPDATED|


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Bob R
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5/21/14 10:33pm - Reply: 'Re: Wiper relay test'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
Ya...I wuz just looking at the wiring diagram...ain't gots no relay for the wiper motor. Just the intermittent wiper module. Ouch
Diagram DOES show a fuse link for the module, tho...very possible that fuse link is blown.



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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/22/14 6:45pm - Reply: 'Re: Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
Thanks guys. I ordered the delay relay bypass and it doesn't fit my switch so I'm a little perplexed. When I noticed,my wipers not working I did hear a click coming from the delay relay. Still testing.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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5/22/14 11:09pm - Reply: 'Re: Wiper relay test'
Sarge81 Lifetime Member
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WEST SENECA, NY - USA

Vette(s):
1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.

Joined: 12/3/2001
Posts: 2376
Fit into the switch?? 

Shouldn't that bypass connector take the place of the delay module located in the storage compartment? 


____________________________________

GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


Lifetime Member #26
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5/23/14 9:39am - Reply: 'Re: Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
That's what I thought Darryl, but its not even close. As soon as I get my computer back I can do more research.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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5/23/14 1:18pm - Reply: 'Re: Wiper relay test'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
Got a pic, or a link to the thingy you bought?

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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/23/14 1:19pm - Reply: 'Re: Wiper relay test'
Sarge81 Lifetime Member
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WEST SENECA, NY - USA

Vette(s):
1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.

Joined: 12/3/2001
Posts: 2376
If you have time next week I could take a look at what you have?? It's up to you. 

____________________________________

GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


Lifetime Member #26
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5/23/14 7:32pm - Reply: 'Re: Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
It does plug into the relay, or the back of the relay.  I don't have the car here.  I'll check it out tomorrow when I get it.  Sarge, I'm heading to the 1000 Islands Tuesday morning and will be gone for a week, hopefully.  Thanks for the offer.  If it's still causing me a problem I'll bring it over after I get it back from Mankos.

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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5/23/14 8:17pm - Reply: 'Re: Wiper relay test'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
These are the delay module bypass connectors. The 2 on the left are both used for 79, the one on the right alone is used for 80 to 82 and would be installed to the connector that connects to the Control module in jack box behind passenger seat. The 2 for the 79 would be installed to the 2 connectors that go to the module under the center counsel.

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Bob R
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5/24/14 9:58am - Reply: 'Re: Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
Well, looks from that picture like I have the correct one.  I'm grabbing the car a little after noon today and let you know what I find out.
 
Thanks all!


____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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5/24/14 5:05pm - Reply: 'Re: Wiper relay test'
dads2vette Lifetime Member
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Ash Fork, AZ - USA

Vette(s):
1981 Red Interior White exterior

Joined: 4/18/2007
Posts: 1038
okie dokie I plugged in the bypass, still nothing. then I ran leads right from the battery to the wiper motor and it works. now just trace the wires back and see where the problem is. I love electrical problems .

____________________________________
Dave C..........My mantra: I can not be bought!!      Long and short term leases available.
In the words of Zora Arkus-Duntov "Is your seat belt fastened? Alright, Let's go"


Yeah, I know, Shut up Dave.
Lifetime Member #192


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