Year Make Model | Painless Performance
Made in the USA
Open till 5PM CDT
Easy To Read Printed Wiring
CirKit Boss Auxiliary Fuse Block/3 Circuits (1 Constant 12V - 2 Ignition 12V) By Painless Performance
Made In USA
 P/N 70103 $67.99
CirKit Boss Auxiliary Fuse Block/3 Circuits (1 Constant 12V - 2 Ignition 12V)



×


×



Recommended for You
P/N: 70107
P/N: 70107
CirKit Boss Fuse Block 7 Circuit (3 Constant), (4 Ignition)
P/N: 70113
P/N: 70113
CirKit Boss Auxiliary Fuse Block/3 Circuits (3 Ignition 12V)
P/N: 70114
P/N: 70114
CirKit Boss Heavy Duty Fuse Block/3 Circuits (3 Ignition 12V)
P/N: 70117
P/N: 70117
CirKit Boss Auxiliary Fuse Block/7 Circuits (7 Ignition 12V)
P/N: 70118
P/N: 70118
CirKit Boss Heavy Duty Fuse Block/7 Circuits (7 Ignition 12V)
P/N: 70120
P/N: 70120
3 Circuit Cirkit Boss Replacment Rubber Cover 
P/N: 70121
P/N: 70121
7 Circuit CirKit Boss Replacement Rubber Fuseblock Cover
  • App
  • Specs

The safe way to add electrical accessories to any vehicle is with a CirKit Boss®™.  The first circuit isolator system available with both constant and ignition hot circuit kits.  Kits include an in-line circuit breaker, relay, relay/fuse block base with preterminated harness and mounting hardware and terminals.  Protects your OEM warranty and is easy to install.

70103- Provides one 30 Amp constant hot and two 20 Amp ignition hot circuits.

This kit includes:

  • One 40 Amp SPST relay
  • One 50 Amp circuit breaker
  • Relay base/fuse block with harness
  • Crimp-on terminals
  • Mounting hardware

 

 

WarningProp 65 Warning
Hazardous Material Warning

Warning
WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Link to P/N: https://www.painlessperformance.com/wc/70103

 

 

Other three circuit CirKit Boss�� kits available:

70113- Three ignition-hot circuits with a maximum total amperage handling of 40 Amps.

70203- Weatherproof version of 70103.

70213- Weatherproof version of 70113.

 

 

Need more circuits?  Check out these seven circuit versions of our CirKit Boss�� kits.

70107- Three 20 Amp constant hot circuits and four ignition hot circuits with a maximum total amperage handling of 40 Amps.

70117- Seven ignition hot circuits with a maximum total amperage handling of 80 Amps.

70207- Weatherproof version of 70107.

70217- Weatherproof version of 70117.

 

 

Need some serious Amperage handling?  Check out these heavy duty CirKit Boss�� kits.

70114- Three ignition hot circuits with a maximum total Amperage handling of 70 Amps.

70118- Seven ignition hot circuits with a maximum total Amperage handling of 140 Amps.