CirKit Boss Auxiliary Fuse Block/3 Circuits (1 Constant 12V – 2 Ignition 12V) Part No 70103
$72.99

Other three circuit CirKit Boss®™ kits available:
70113 – Three ignition-hot circuits with a maximum total amperage handling of 40 Amps.
70103 – Non-weatherproof version of 70203.
70203– Provides one 30 Amp constant hot and two 20 Amp ignition hot circuits.
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.
70120 – Replacement rubber cover for fuse block.
Description
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 a pre-terminated 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