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Installation tools are needed for installing car audio speakers, amplifiers, subwoofers, and aftermarket source units. In this tool section I will show you my favorites. For each tool I will list a budget version, and a professional version.
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12 Volt 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI 12 Volt 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI ScyTek

The PEI ( By ScyTek Security ) 40 Amp 5 Pin relay is a low cost 12 Volt relay.

Big Jeff Price: $6.95
2 Pack ANL Blade Waffer Fuses 150 Amp Install Bay ANL-150 Car Boat Truck Bike 2 Pack ANL Blade Waffer Fuses 150 Amp Install Bay ANL-150 Car Boat Truck Bike

2 Pack of 150 ANL Fuses
Metra Install Bay Name Brand

Big Jeff Price: $7.95
2 Pack ANL Blade Waffer Fuses 200 Amp Install Bay ANL-200 Car Boat Truck Bike 2 Pack ANL Blade Waffer Fuses 200 Amp Install Bay ANL-200 Car Boat Truck Bike

2 Pack of 200 ANL Fuses
Metra Install Bay Name Brand

Big Jeff Price: $7.95
2 Pack ANL Blade Waffer Fuses 250 Amp Install Bay ANL-250 Car Boat Truck Bike 2 Pack ANL Blade Waffer Fuses 250 Amp Install Bay ANL-250 Car Boat Truck Bike

2 Pack of 250 ANL Fuses
Metra Install Bay Name Brand

Big Jeff Price: $7.95
2 Pack ANL Blade Waffer Fuses 2300 Amp Install Bay ANL-300 Car Boat Truck Bike 2 Pack ANL Blade Waffer Fuses 300 Amp Install Bay ANL-300 Car Boat Truck Bike

2 Pack of 250300ll Bay Name Brand

Big Jeff Price: $7.95
Automotive Power Door Lock Actuator For Keyless Entry 12 Volt Linear Automotive Power Door Lock Actuator For Keyless Entry 12 Volt Linear

Universal Power Door Lock Actuator Car Kit 12 Volt Linear Motor Heavy Duty New

Big Jeff Price: $7.95
5Pcs 12V 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI 5 Pcs12 Volt 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI ScyTek

5 Pack Deal The PEI ( By ScyTek Security ) 40 Amp 5 Pin relay is a low cost 12 Volt relay.

Big Jeff Price: $9.95
100pcs FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON .25" RED 22-18AWG 100pcs Metra Install Bay RED 22-18AWG Female Insulated Nylon Speaker Connector QUICK DISCONNECT

Metra Install Bay QUICK DISCONNECT RED 22-18AWG Female Insulated Nylon Speaker Connector 100pcs
Metra Install Bay Professional

Big Jeff Price: $9.95
Metra Install Bay Blue 16-14 AWG Female Insulated Nylon Quick Disconnect 100pcs Metra Install Bay Blue 16-14 AWG Female Insulated Nylon Quick Disconnect 100pcs

Metra Install Bay QUICK DISCONNECT Blue 16-14 Awg Female Insulated Nylon Speaker Connector 100pcs
Metra Install Bay Professional

Big Jeff Price: $9.95
100pcs MALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON .25" RED 22-18AWG 100pcs Metra Install Bay RED 22-18AWG Male Insulated Nylon Speaker Connector QUICK DISCONNECT

Metra Install Bay QUICK DISCONNECT RED 22-18AWG Male Insulated Nylon Speaker Connector 100pcs
Metra Install Bay Professional

Big Jeff Price: $10.95
Metra Install Bay Blue 16-14 AWG Male Insulated Nylon Quick Disconnect 100pcs Metra Install Bay Blue 16-14 AWG Male Insulated Nylon Quick Disconnect 100pcs

Metra Install Bay QUICK DISCONNECT Blue 16-14 Awg Male Insulated Nylon Speaker Connector 100pcs
Metra Install Bay Professional

Big Jeff Price: $10.95
DS18 FHSAGU 80A AGU Glass Inline Fuse Holder With 80 Amp 4 Ga or 8 Ga DS18 FHSAGU 80A AGU Glass Inline Fuse Holder With 80 Amp 4 Ga or 8 Ga

Quantity: 1 Waterproof AGU Fuse Holder 1 80 amo Fuse

Big Jeff Price: $11.54
Metra Install Bay Yellow 12-10GA Female Insulated Nylon Quick Disconnect 100pcs Metra Install Bay Yellow 12-10GA Female Insulated Nylon Quick Disconnect 100pcs

100 pcs Yellow Female Disconnect Nylon 12-10 1/4"

Big Jeff Price: $11.95
Metra Install Bay Yellow 12-10 AWG Male Insulated Nylon Quick Disconnect 100pcs Metra Install Bay Yellow 12-10 AWG Male Insulated Nylon Quick Disconnect 100pcs

100 pcs Yellow Male Disconnect Nylon 12-10 1/4"

Big Jeff Price: $12.95
10 Pcs 12V 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI 10 Pcs12 Volt 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI ScyTek

10 Pack Deal The PEI ( By ScyTek Security ) 40 Amp 5 Pin relay is a low cost 12 Volt relay.

Big Jeff Price: $15.95
Butt Ring Fork Connector Set 175 Piece Car Boat ATV RV Golf Cart Wire Electrical Automotive Car Audio Connector Kit Set 175 Piece Install Bay IBK-175 Assorted

175pcs Insulated Terminals Electrical Crimp Connector Set with Box

Big Jeff Price: $16.95
200pcs MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON RED 22-18AWG 200pcs MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON RED 22-18AWG

Metra Install Bay QUICK DISCONNECT RED 22-18AWG Male Insulated Nylon Speaker Connector 100pcs
Metra Install Bay QUICK DISCONNECT RED 22-18AWG Female Insulated Nylon Speaker Connector 100pcs
Metra Install Bay Professional 200 Total

Big Jeff Price: $17.95
200pcs MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON Blue 16-14AWG 200pcs MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON Blue 16-14AWG

100 pcs Blue Male Disconnect Nylon 14-16 1/4" gauge +100 pcs Blue Female Disconnect Nylon 14-16 1/4" gauge 200 Total

Big Jeff Price: $17.95
4 Pack Automotive Power Door Lock Actuator For Keyless Entry 12 Volt Linear 4 Pack Automotive Power Door Lock Actuator For Keyless Entry 12 Volt Linear

4 Pack Universal Power Door Lock Actuator Car Kit 12 Volt Linear Motor Heavy Duty New

Big Jeff Price: $18.95
200 MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON YELLOW 12-10AWG 200 MALE+FEMALE METRA INSULATED QUICK DISCONNECT TERMINAL NYLON YELLOW 12-10AWG

100 pcs Yellow Male Disconnect Nylon 12-10 1/4" gauge
+
100 pcs Yellow Female Disconnect Nylon 12-10 1/4" gauge

Big Jeff Price: $18.95
Red Blue Yellow Butt Crimping Connectors 300 Pack 18-22 16-14 12-10 Install Bay Red Blue Yellow Butt Crimping Connectors 300 Pack 18-22 16-14 12-10 Install Bay

300 Pack 18-22 16-14 12-10 Install Bay

Big Jeff Price: $21.95
DS18 FHSANL1014DIG ANL Fuse Holder 0/4GA In - 0/4GA Out with Built in Voltmeter DS18 FHSANL1014DIG ANL Fuse Holder 0/4GA In - 0/4GA Out with Built in Voltmeter

ANL Fuse Holder. 0/4GA In, 0/4GA Out. Built in Volt Meter.

Big Jeff Price: $28.95
DS18 Dual 1/0 Gauge to 0 Gauge Input Adapter Pin with Offset Amplifier Install DS18 Dual 1/0 Gauge to 0 Gauge Input Adapter Pin with Offset Amplifier Install

DS18 DPIV1/0 Pair of Dual 1/0 Gauge to 1/0 Gauge Amp Input Reducers with Offset Stub

Big Jeff Price: $29.44
50 Pcs 12V 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI 50 Pcs12 Volt 5 Pin SPDT 30/40 Amp Gold Relay Sealed Automotive Car Truck Bike PEI ScyTek

50 Pack Deal The PEI ( By ScyTek Security ) 40 Amp 5 Pin relay is a low cost 12 Volt relay.

Big Jeff Price: $41.95