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Re: 1982 Whiper Delay Module
1973-1991 CK trucks didn't have a wiper relay. I'm not sure what relay the dealership techs were replacing on your truck but it wasn't a wiper relay.
1973-1976 CK trucks didn't have intermittent wipers.
1977 had a very rare one year only orphan intermittent wiper control system.
The various intermittent wiper system control boards from 1978-1991 used Field Effect Transistors, not a relay, to control the motor.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
Last edited by hatzie; 10-14-2021 at 05:42 PM.
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