70 Camaro 1115889 horn relay question

Discussion in 'Original Drivetrain Topic' started by DCL70, Jan 30, 2011.

  1. DCL70

    DCL70 Veteran Member

    1,209
    1
    May 5, 2007
    Merrimack, NH
    According to the 70 Camaro AIM (UPC 12, sheet A8) the horn relay installed on the assembly line was GM # 1115889. My NOS 1115889 horn relay (in an old "string" box) is stamped "889" with a line underneath on the bottom and the mounting bracket is made of black plastic. Was the mounting bracket on the assembly line 1115889 horn relays made of plastic or steel?
    The metal cover is metal with "Delco Remy", "MADE IN USA", and 4 letters in the corners ("S", "H","H", and "S"). embossed on the top.

    My 1970 Chevrolet Parts Catalog (effective Jan. 1970) lists GM # 1115890 as the horn relay for all 1970 models and this part number is exclusive for 1970 models as per the asterisk. According to Chevrolet Parts History GM # 1115890 was replaced with GM # 1115889 in June 1971. This is a bit confusing.
     
    Last edited: Feb 14, 2011
  2. 70rat

    70rat Veteran Member

    1,861
    0
    Mar 23, 2003
    Reno,NV USA
    The original on my 70 is steel.
     
  3. COPO

    COPO Veteran Member Lifetime Gold Member

    15,741
    140
    Sep 15, 1999
    Toronto
    Mines metal with the bottom being hard black plastic like in your pic.
     
  4. bkmont

    bkmont Veteran Member

    872
    3
    Nov 14, 2010
    Pensacola, Florida
    Here's a shot of mine. It appears to be the same as yours.
    [​IMG]
     
  5. COPO

    COPO Veteran Member Lifetime Gold Member

    15,741
    140
    Sep 15, 1999
    Toronto
    Yup, sure is. They were never ALL steel IMO. The lower part was always black plastic.
     
  6. DCL70

    DCL70 Veteran Member

    1,209
    1
    May 5, 2007
    Merrimack, NH
    I checked the NCRS (National Corvette Restorers Society) forum and it seems that the 1115889 horn relays with the black plastic bottom and the Delco Remy embossed metal covers are original equipment on 1971 Corvettes. The 1970 Corvette used the 1115890 horn relay.
     
    Last edited: Feb 2, 2011
  7. bkmont

    bkmont Veteran Member

    872
    3
    Nov 14, 2010
    Pensacola, Florida
    David,
    So is the 889 correct for a 70 Camaro and 71 Corvette?
    bkmont
     
  8. COPO

    COPO Veteran Member Lifetime Gold Member

    15,741
    140
    Sep 15, 1999
    Toronto
    1966-71 Vette used 1115889 and 1967-71 Camaro. See 2.815 in the pdf for the vette
    http://www.wedophones.com/Manuals/C...nd Illustration Catalog 961 Pages 104 Meg.pdf

    1946 - 1976 Chevrolet manual (includes 1967-75 Camaro) http://www.wedophones.com/ChevroletManualsLead.htm
    You need to do a right mouse click and save target as on the link that SAYS 1946 - 1976 Chevrolet Manual 3412 Pages 330 Meg because it won't download in the browser on it's own.

    For some reason the search function does not work on both pdf manuals. Oh well, better than nothng.
     
    Last edited: Feb 3, 2011
  9. DCL70

    DCL70 Veteran Member

    1,209
    1
    May 5, 2007
    Merrimack, NH
    The 1982 Corvette parts catalog shows the 1115889 horn relay for 1968-1971 Corvettes. However, the 1968 and early 1969 Corvettes were issued the 1115862 horn relay on the assembly line. The mid & late 1969 and 1970 Corvettes were issued the 1115890 horn relay on the assembly line. The 1971 Corvette was issued the 1115889 horn relay on the assembly line. According to Chevrolet Parts History GM # 1115862 was replaced with GM # 1115890 which was then replaced with Gm # 1115889. A 1982 parts catalog will not always give original part numbers. The assembly manuals are probably the best source for original part numbers. The 1115889 is correct for the 1971 Corvette but NOT the 1968-1970 Corvettes.

    The 1115889 horn relay (metal cover embossed "DELCO REMY" with black plastic bottom part) is correct for the 1970 & 1971 Camaro as shown in the 1970 Camaro Assembly Manual (UPC 12, sheet A8) and the 1971 Camaro Assembly Manual (UPC 12, sheet 12G-1). The 1115889 is NOT correct for the 1967-1969 Camaros.
     
    Last edited: Feb 4, 2011

Share This Page