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Exhibit 99(a)
 SECOND AMENDMENT
TO
AMENDED AND RESTATED CREDIT AGREEMENT
 SECOND AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT Amendment Borrower Guarantor Guarantors Administrative
Agent
 W I T N E S S E T H:
 WHEREAS Credit Agreement
 WHEREAS
 NOW, THEREFORE
 Defined Terms Generally .
 New Defined Terms in Credit Agreement .
 UAW Special Attrition Program Agreement
 Permitted Non-Filed Domestic Entity Transfer




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Amendment to Section 5.01(a)of Credit Agreement (Annual Financial Statements)
  Amendment to Section 5.01(b)of Credit Agreement (Quarterly Financial Statements)
  Amendments to Section 6.01 of Credit Agreement (Liens)
 provided provided
 Amendment to Section 6.10 of Credit Agreement (Disposition of Assets)
 or pursuant to Permitted
Non-Filed Domestic Entity Transfers de minimis
 2




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provided
 Conditions to Effectiveness . Second Amendment Effective Date
 Miscellaneous .
    3




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[SIGNATURE PAGES TO FOLLOW]
 4




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IN WITNESS WHEREOF
 BORROWER:DELPHI CORPORATIONBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    Vice President and Chief Restructuring Officer




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GUARANTORS:ASEC MANUFACTURING GENERAL PARTNERSHIP,a Delaware general partnershipBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerASEC SALES GENERAL PARTNERSHIP,a Delaware general partnershipBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerASPIRE, INC.,a Michigan corporationBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Vice PresidentDELCO ELECTRONIC OVERSEAS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Assistant TreasurerDELPHI AUTOMOTIVE SYSTEMS (HOLDING), INC.,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    President




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DELPHI AUTOMOTIVE
SYSTEMS GLOBAL (HOLDING),
     INC.,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI AUTOMOTIVE SYSTEMS HUMAN RESOURCES LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & TreasurerDELPHI AUTOMOTIVE SYSTEMS INTERNATIONAL, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI AUTOMOTIVE SYSTEMS KOREA, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P.ArleTitle:
    
    Chief Executive Officer & PresidentDELPHI AUTOMOTIVE SYSTEMS LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    Vice President and
Chief Restructuring Officer;Chief Accounting Officer and Controller




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DELPHI AUTOMOTIVE
SYSTEMS OVERSEAS 
    CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI AUTOMOTIVE
SYSTEMS RISK MANAGEMENT 
    CORP.,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    Vice President & TreasurerDELPHI AUTOMOTIVE SYSTEMS SERVICES LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI AUTOMOTIVE SYSTEMS TENNESSEE, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI AUTOMOTIVE SYSTEMS THAILAND, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Treasurer




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DELPHI CHINA LLC,a Delaware limited liability companyBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Chief Tax OfficerDELPHI CONNECTION SYSTEMS,a California corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Treasurer
 DELPHI DIESEL SYSTEMS CORP.,a Delaware corporationBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Chief Tax OfficerDELPHI ELECTRONICS (HOLDING) LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Assistant TreasurerDELPHI FOREIGN SALES CORPORATION,a Virgin Islands corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    Controller




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DELPHI INTEGRATED SERVICE SOLUTIONS, INC.,a Michigan corporationBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Vice PresidentDELPHI INTERNATIONAL HOLDINGS CORP.,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI INTERNATIONAL SERVICES, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Chief Financial Officer & TreasurerDELPHI LIQUIDATION HOLDING COMPANY,a Delaware corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    PresidentDELPHI LLC,a Delaware limited liability companyBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    President




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DELPHI MECHATRONIC SYSTEMS, INC.,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI MEDICAL SYSTEMS COLORADO CORPORATION,a Colorado corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & TreasurerDELPHI MEDICAL SYSTEMS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & Treasurer
 DELPHI MEDICAL SYSTEMS TEXAS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Vice President & TreasurerDELPHI NY HOLDING CORPORATION,a New York corporationBy:
    
    /s/ JOHN D. SHEEHANName:
    
    John D. SheehanTitle:
    
    President




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DELPHI SERVICES HOLDING CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    TreasurerDELPHI TECHNOLOGIES, INC.,a Delaware corporationBy:
    
    /s/ THOMAS N. TWOMEYName:
    
    Thomas N. TwomeyTitle:
    
    Vice President Intellectual PropertyDREAL, INC.,a Delaware corporationBy:
    
    /s/ JOHN A. JAFFURSName:
    
    John A. JaffursTitle:
    
    PresidentENVIRONMENTAL CATALYSTS, LLC,a Delaware limited liability companyBy:
    
    /s/ JOSEPH P. GUMINAName:
    
    Joseph P. GuminaTitle:
    
    TreasurerEXHAUST SYSTEMS CORPORATION,a Delaware corporationBy:
    
    /s/ JOHN P. ARLEName:
    
    John P. ArleTitle:
    
    Assistant Treasurer




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PACKARD HUGHES INTERCONNECT COMPANY,a Delaware corporationBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Chief Tax OfficerSPECIALTY ELECTRONICS INTERNATIONAL LTD.,a Virgin Islands corporationBy:
    
    /s/ MICHAEL T. REAGANName:
    
    Michael T. ReaganTitle:
    
    Treasurer and SecretarySPECIALTY ELECTRONICS, INC.,a South Carolina corporationBy:
    
    /s/ JAMES P. WHITSONName:
    
    James P. WhitsonTitle:
    
    Chief Tax Officer




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AGENTS AND LENDERS:JPMORGAN CHASE BANK, N.A.Individually and as Administrative AgentBy:
    
    /s/ GIANNI RUSSELLOName:
    
    Gianni RusselloTitle:
    
    AssociateCITICORP USA, INC.By:
    
    /s/ JEFFREY NITZName:
    
    Jeffrey NitzTitle:
    
    Director




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Signature page for the Second Amendment to Amended and Restated Credit
Agreement, dated as of April 13, 2006 among Delphi Corporation and the lenders
party theretoName of Lender:By:Name:Title: