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#1 |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Just wanted to give Frank (7t7) a big thanks for sending me the pulse control module from his 77. Not only would he not take anything for the module, he wouldn't let me pay for shipping......
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#2 |
Regular guy
Join Date: Oct 2003
Location: Round Rock TX
Posts: 518
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You're very welcomed Ken.
Perhaps you can find out more info on that strange little gizmo. I was never able to get a straight answer about it from my local GM parts house. Sorry it was in such sad shape. It's had a rough life.
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'Frank' 77 Silverado 18 & 20 American CL205s Edelbrock MPFI, 700r4, Baer Brakes 9" F@rd rear, Vintage air, Bags etc etc.. |
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#3 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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What's a "Pulse Control Module"?? Is that something like a Pace Maker, cuz I know you're getting old Ken.
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#4 | |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Quote:
![]() A "Pulse Control Module" is a timer circuit board that the wiper switch plugs in to. It controls the amount of delay between wiper pulses..... ![]() |
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#5 |
california fill
Join Date: Apr 2004
Location: Sunny So-Cal
Posts: 694
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you sure its off a '77? I have never seen or heard of a 77 with delay wipers.
give us more info!! pc |
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#6 | |
Gentleman Jim Driver
Join Date: Nov 2002
Location: Poulsbo, WA
Posts: 1,550
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Quote:
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Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed |
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#7 | |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Quote:
I plan to try to convert the switch to accept the later model 78-83 module.... ![]() Last edited by N2TRUX; 09-02-2004 at 09:29 AM. |
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#8 |
Gentleman Jim Driver
Join Date: Nov 2002
Location: Poulsbo, WA
Posts: 1,550
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Ken,
Here is the 77 switch on its AC Delco box. The one you pictured above is the same as what I just put in my 80 Indy Hauler. You can see that the electrical connections are the same as the one you got, just the mounting tabs are different. ![]() ![]() Here is the switch I took out of my 80, I know it's not intermittant, but it shows the flat mounting tabs. ![]() The control modules are the same from 77-83. I put the one I ordered for a 77 into my 80, it plugged right in and works perfect.
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Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed |
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#9 |
Registered User
Join Date: Jun 2004
Location: Spartanburg, SC
Posts: 1,963
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So to run these on my '78 I would need (from what you posted earlier) Switch: D6326A Module: D6355A? Then all you do is plug it in and it works? No extra wires needed or anything?
When my dad was driving the truck he added an aftermarket delay. I cant remember everything he had to do, but it was a nightmare and he went through 3 delay boxes. They work good, but I would like to clean up the interior and remove that box. Its about the size of a tralier brake controller hanging off my dash.
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Paul '78 GMC Serria 15 Heavy Half. 361/NV3500/3.73. Former LWB NV3500 swap Trailing arm swap '98 ECSB Z71 daily driver -traded ![]() '03 burb. Family cruiser http://upstategmtrucks.com/ |
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