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Beechcraft
Beechcraft wiring diagram manuals do not list wire lengths like most Cessna WDM's. It's best to remove your wiring and send to me for replication. This way we are sure you receive the correct length, wire and lug size. You may also provide your own measurements.
1979 A-36 Bonanza
Battery wires are 2 AWG red and black M22759/16-2 TEFZEL wire. Battery flag terminals are heavy duty Burndy YBM2CL2 now sealed with Dow Corning 732 Clear. MS-20659 heavy duty lugs for remaining terminals, with DWP-125 flexible epoxy line heat shrink for insulation support. Includes .125" wide MS35489-41 battery box grommets. See gallery for alternator power wire assembly break down.
Battery Positive (2 AWG red, flag terminal) to master solenoid P1A2 - 37”
Battery Ground (2 AWG black, flag terminal) P2A2N - 23”
Start Solenoid (2 AWG) to Starter K3A2 - 26”
Starter Ground (2 AWG black) - 21”
Start Solenoid (2 AWG) to AUX Power Solenoid P1C2 - 19”
AUX Power Solenoid (2 AWG) to AUX Power Receptacle P9A2 - 9”
Alternator Power (4 AWG shielded) P8A4 - 56”
8 AWG Coil Jumper - 6.5”
Shunt (8 AWG) to LDG Throttle Breaker P8B8 - 64”
Shunt (8 AWG) to Taxi Light Breaker P8D8 - 52”
Avionics Bus (8 AWG) P6A8 - 75”
Sub Panel Crossover (8 AWG) P8C8 - 33”
$500
Battery Cables Only - $150
Cessna 172
172M Power Wire Set $400
Battery Positive - 2 AWG 8"
Battery Ground - 2 AWG 15"
Engine Ground Braid - 4 AWG 7"
Alternator Power - 8 AWG shielded 80" /heat sleeve
Alternator Ground - 8 AWG 54" /heat sleeve
Battery Relay-Starter Relay - 2 AWG 14"
Starter Relay to Starter - 2 AWG 32" /heat sleeve
Battery Relay-EXT Relay - 2 AWG 15"
EXT Relay- Receptacle - 2 AWG 12"
AMM-Starter Relay - 8 AWG 66"
AMM-BUS - 8 AWG 40" or 15"(pilot side AMM)
NAS557 Firewall Grommets available upon request.
Wire sets include MIL-C-22759/16 Tefzel copper wire, MS-20659 heavy duty terminals FWD of the firewall environmentally sealed with epoxy lined DWP-125 flame retardant heat shrink and witness holes sealed with Dow Corning 732, thicker MS35489-41 grommet for the Cessna 172 battery box, MS25171 post boots and battery relay suppression diode 1N4003 currently used by Cessna encapsulated in clear fluoride based PVDF heat shrink to confirm polarity. Heat resistant TECHFLEX fiberglass sleeve installed on alternator and starter wiring where routed under the engine.
Optional American made AA59569R30T1125 tin plated 1-1/8" wide copper braid with tin plated ferrules, 1/4” hole and 5/16” hole, 12" center to center with larger I.D. MS35489-19 grommet for the Cessna battery box. Sleeve is a flame retardant polyolefin heat shrink. Braid can be doubled for high electrical load requirements. ADD $20
Battery Wires
Cessna 152/172
2 AWG battery wire sets include MIL-C-22759 Tefzel wire, MS-20659 heavy duty terminals environmentally sealed with DWP-125 flame retardant heat shrink for insulation support, MS25171 boots, larger I.D. MS35489-19 grommet for the Cessna 172 battery box and solenoid suppression diode 1N4003 encapsulated in clear fluoride based PVDF heat shrink to allow the quick confirmation of polarity. Boot and grommet lubed with Dow Corning 4. Terminal witness holes sealed with Dow Corning 732. Red power is 8", Black ground is 12" or 15".
$100
With optional American made AA59569R30T1125 tin plated 1-1/8" wide copper braid with tin plated ferrules, 1/4” hole and 5/16” hole, 12" center to center with larger I.D. MS35489-19 grommet for the Cessna battery box. Sleeve is a flame retardant polyolefin heat shrink.
$125 for the set
Cessna 182
2 AWG battery wire sets include MIL-C-22759 Tefzel wire, MS-20659 heavy duty terminals environmentally sealed with DWP-125 flame retardant heat shrink for insulation support, MS25171 boots and solenoid suppression diode 1N4003 encapsulated in clear fluoride based PVDF heat shrink to allow the quick confirmation of polarity. Terminal witness holes sealed with Dow Corning 732. Red power is 8", Black ground is 12".
$100
Positive
Red 2 AWG MIL-C-22759 Tefzel wire, MS-20659 heavy duty terminals environmentally sealed with DWP-125 flame retardant heat shrink for insulation support, MS25171 boots, larger I.D. MS35489-19 grommet for the Cessna 172 battery box and solenoid suppression diode 1N4003 encapsulated in clear fluoride based PVDF heat shrink to allow the quick confirmation of polarity. Boot and grommet lubed with Dow Corning 4. Terminal witness holes sealed with Dow Corning 732. 8" length.
$60
Grounds
Black 2 AWG MIL-C-22759 Tefzel wire, MS-20659 heavy duty terminals environmentally sealed with DWP-125 flame retardant heat shrink for insulation support, MS25171 boot, larger I.D. MS35489-19 grommet for the Cessna 172 battery box. Boot and grommet lubed with Dow Corning 4. Terminal witness holes sealed with Dow Corning 732. 182 is typically 12" and 172 is 15".
$40
American made AA59569R30T1125 tin plated 1-1/8" wide copper braid with tin plated ferrules, 1/4” hole and 5/16” hole, 12" center to center with larger I.D. MS35489-19 grommet for the Cessna battery box. Sleeve is a flame retardant polyolefin heat shrink. Braid can be doubled for high electrical load requirements.
$60
See my TIPS page for grounding information!
Beechcraft, Piper and other models available by request
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Engine Grounds
Early 150 and 172 Cessna's terminated the battery ground braid at the nearest engine mount isolator bolt. By the late 60's the battery ground was moved below the battery to a firewall bracket. Item 10A is the photo to the left shows ground strap 0412007-8 installed between the engine and engine mount. Relocating the battery ground and bypassing the engine mount isolator provided a much better ground path for the starter and alternator. Owners of older models should seriously consider updating to the later model dedicated battery and engine grounds.
PPH engine ground is American made AA59569R30T0562 tin plated 7/8" wide 4 AWG copper braid with tin plated ferrules or M20659 Burndy YAV lugs with 3/16” hole and 5/16” hole. Lentgh is approximately 7" center to center.
$40
Beechcraft, Piper and other models available by request.
See my TIPS page for grounding information. I can build whatever your aircraft load requires. Braids can be doubled for 6 cylinder high electrical load requirements.
Cessna Fuse Assembly Overhaul
$250
Includes new fuse holders, diode and resistor.
Requires your angle to complete the overhaul.
I do not sell individual parts.
Angle Bracket Kit
The best bracket for securing and standing off harnesses.
Adel clamps are definitely more secure and vibration resistant. This angle bracket kit makes wiring changes behind instrument panels easy and sanitary. I'd recommend using ty-wraps with stainless locking tabs. Kit includes all stainless hardware with a fire retardant nylon Ty-Wrap mount
Angle includes two mount holes for adjusting height. Use lock washers as desired to prevent rotation of mount and angle.
2 AN526C632R6 Truss Head SS Screws
2AN960C6 SS Washers
2 MS35335-59 SS Lock Washers
2 AN365C632 SS Lock Nuts
AN743-13 Aluminum Angle Bracket
TM2S8-M69 Flame Retardant Ty-Wrap Mount
$4/ea.
RF
Antenna Coax Cables
Certified RG 400 coax is available with Amphenol BNC connectors for nav/com and TNC for GPS antennas. AMP connector substitution by request. Labels included.
I can solder various coax tray connectors to minimize splices.
RG 400 - $1.75/ft
Straight Plugs(male) BNC and TNC - $12 ea installed.
90 degree BNC - $35 each installed
90 degree TNC - $15 each installed
Avionics Harnesses No Longer Assembled
Stack harnesses are hand tied with each wire group such as audio, lighting, powers and grounds combed out separately to ease installation. There are cheaper ways to do it, but none more sanitary and organized. Avionics harness quotes include only wiring and my labor.
I do not build legacy Collins, King or Narco harnesses except KX155.
Connector kits and components of incomplete connector kits will cost extra.
Avoid buying used avionics without the tray and all connector assemblies.
Buyer Beware: Garmin does not sell their threaded backshell retainer separately. This is due to customers buying installation kits for competitor slide in replacements of Garmin units. ITT Cannon M85049/48 style backshells were designed to be attached from the outside. Garmin's threaded backshell retainer is proprietary and manufactured for Garmin connector screws to attach from inside the trays. If you buy used Garmin avionics, make sure the seller sends all associated connectors and mounting hardware.
Stack harness with audio panel, dual navigators and transponder - $1500
This approximate estimate of a typical stack includes my labor and wiring only for 4-6 place audio jacks with music soldered, dual NAV indicator break outs and encoder break out.
Add $150 to mount your encoder to your transponder tray. See gallery below.
Scroll up for RG400 coax pricing.