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02-28-2017, 08:18 PM | #1 |
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Join Date: Feb 2009
Location: Northern Nevada
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Wiper switch & motor wiring - Is this correct?
1971 C-10
Lots of information on how these are wired. Some of it wrong, including a manual or two. At any rate, I'm hoping for confirmation or correction. Especially for operation of the Light Blue and Dark Blue wires. Thanks for any input. Wiring: The following descriptions are from the top down for the switch in a mounted position. 18 AWG Light Blue: Operates the wipers (high/low). This wire runs to the dual pins on the RH (TS) portion of the motor. 18 AWG Dark Blue: Operates the washer. This wire runs to the dual pins in the bottom of the motor. NOTE: The bottom is the widest of the two dual connector/pins on the motor. 18 AWG Black: Ground wire. This wire connects to the single pin on the RH (TS) portion of the motor. Other: 18 AWG Yellow: This wire runs from inside the fuse box to the connector on the bottom of the motor. A second yellow wire leads from this connector to the dual pin connector on the RH (TS) portion of the motor. NOTE: Yellow was positioned on the bottom of both dual connectors. TS means truck side.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 Last edited by 71CHEVYSHORTBED402; 03-03-2017 at 08:40 PM. |
02-28-2017, 08:33 PM | #2 |
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Re: Wiper switch & motor wiring - Is this correct?
Excellent demonstration and explanation. I copied the image, but can't seem to locate the culprit at the moment:
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
03-01-2017, 12:50 PM | #3 |
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Re: Wiper switch & motor wiring - Is this correct?
On a side note, I discovered white vinegar is your friend for a washer that sat for 30 years or so. Course we're dry and this was garaged. Between the WV and my lungs, the washer went from not working to filling a bottle in no time. Dilute with distilled water, I don't know, maybe 70-30 favoring WV...................Course be sure to rinse the pump well, and run wash fluid through it. I'm guessing the fluid has some lubricant.
Think "next time" I'll use the small shop vac and "MacGyver" attachment instead of the lungs. I may have pulled once or twice (yikes!). It was a while ago.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
03-01-2017, 09:01 PM | #4 |
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Wiper switch & motor wiring - Is this correct?
The wiper motor with washer.
The washer motor is a 12 volt straight and the ground wire goes to the switch and grounds the pump motor to make it work. The wiring is in the top of drawing. Here is the link you can blow it up to see the wires. http://67-72chevytrucks.com/vboard/s...d.php?t=185856
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
03-02-2017, 10:42 AM | #5 | |
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: Wiper switch & motor wiring - Is this correct?
.................................................................................................... .
Quote:
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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03-02-2017, 01:13 PM | #6 |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: Wiper switch & motor wiring - Is this correct?
Here is a diagram of the AC without the colored wires that are labeled and it is clearer. It also shows the circuit without the anti-dieseling relay.
I see that it does not show a power wire on the B terminal of the switch, perhaps because the AD relay is missing. The power wire in that case would almost have to be the same orange wire that goes to the fan relay. check the legend on the left side of the diagram and see the switch positions for the different speeds. By the way -Kudos to you for your detailed description of your problems.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
03-02-2017, 01:33 PM | #7 | |
Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,093
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Re: Wiper switch & motor wiring - Is this correct?
Quote:
Thanks for that link etc. and I'll correct the OP. Speak of ground wires, and I could be mistaken, but you gave me a hint that black wires = ground.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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03-02-2017, 02:00 PM | #8 |
Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,093
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Re: Wiper switch & motor wiring - Is this correct?
Wow Vette thanks...........Awesome diagrams, and perfect image.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assm. guide "kit" for restoring it from ground up. With assys, the guide accts for 1000s of OEM identifications and part numbers, all written in short order. 700+ images include assm, illust., charts, and points of interest. Much of the info. applies to all 67-72 GM trucks, and to a lessor degree all 67-72 GM vehicles. My build thread, and more on the guide https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
03-02-2017, 05:49 PM | #9 | |
Msgt USAF Ret
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,703
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Re: Wiper switch & motor wiring - Is this correct?
Quote:
Gotta keep up my street cred.
__________________
VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
|
03-02-2017, 09:28 PM | #10 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Wiper switch & motor wiring - Is this correct?
When i did the electric pump mod on my 71 I had a heck of a time figuring out why it wouldn't work and why I kept blowing fuses. I finally figured that the switch was the ground wire not the hot!
By the way Vette is the man on this board to go to for electrical stuff. I try but he is who learned me on it.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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